👱🏼‍♂️ Carlos Rodrigo


Twitter Threads

Algunos de los hilos más interesantes que he leído en Twitter.

Podcast: Episodio 1

En este primer episodio introduzco la teoría de los Grandes Hombres de Thomas Carlyle. Esta teoría marca el sentido y objetivo de este podcast.

Viaje a Escocia 2016

Un viaje con Mar, Angela y Emilio por Escocia.

Conversation starters

54 questions to start a conversation


Experimento con un podcast propio.

Notes on 12 Lessons of History

Highlights from Justin Shapiro

It’s not that I’m so smart. It’s just that I stay with problems longer. — Albert Einstein

Stock vs Flow

A stock is measured at one specific time. Flow is roughly analogous to rate or speed in this sense.

Notes on Nine Trends That Will Shape Our Careers in 2021

In the coming decade, career success will depend much less on your physical location than where you spend time online. That means that getting into the right group chats and online communities has never been more important.


Noetic sciences as «how beliefs, thoughts, and intentions affect the physical world»

Sólidos platónicos

Los sólidos platónicos, regulares o perfectos son poliedros convexos tal que todas sus caras son polígonos regulares iguales entre sí, y en que todos los ángulos sólidos son iguales.

El centro ideológico no existe

La mayoría de los asuntos puedan colocarse en una escala lineal…

Conjetura de Kepler

Esta conjetura afirma que si apilamos esferas iguales, la densidad máxima se alcanza con una apilamiento piramidal de caras centradas. Esta densidad es aproximadamente del 74%.

The cosmos is within us. We are made of star-stuff. We are a way for the universe to know itself. – Carl Sagan


Un listado de libros. Leídos, leyendo y por leer.

The hottest places in hell are reserved for those who, in times of great moral crisis, maintain their neutrality. ― Dante Alighieri

Do not go gentle into that good night

Rage, rage against the dying of the light.

Roll the Dice

If you’re going to try, go all the way.

You have power over your mind – not outside events. Realize this, and you will find strength. ― Marcus Aurelius, Meditations
Take nothing on its looks; take everything on evidence. There’s no better rule. ― Charles Dickens, Great Expectations

This too shall pass

The sentiment which, amidst the perpetual change of human affairs, was most descriptive of their real tendency.


A compendium of definitions.

How do we try to get closer to reality?

One option is changing how we consume information.

Naval’s Razor

Actualizado el 27/09/2021If you have 2 choices to make and it’s 50/50, take the path that’s more painful in the short term

Walt Disney’s Rule

Actualizado el 27/09/2021If struggling to think clearly about a subject, draw it out.

Hofstadter’s Law

Actualizado el 27/09/2021It always takes longer than you expect, even when you take into account Hofstadter’s Law. Every project costs 2x as much and takes 3x as long – even when you factor this into your projections.

Bragging Razor

Actualizado el 27/09/2021If someone brags about their success or happiness, assume it’s half what they claim. If someone downplays their success or happiness, assume it’s double what they claim.

Discomfort Razor

Actualizado el 27/09/2021The more uncomfortable the activity, the more likely it will lead to growth. The more comfortable the activity, the more likely it will lead to stagnation. 1000 uncomfortable hours > 10,000 comfortable hours

Skinner’s Law

Actualizado el 27/09/2021If procrastinating on an item, you only have 2 options: 1. Make the pain of not doing it greater than the pain of doing it. 2. Make the pleasure of doing it greater than the pleasure of not doing it.


GPT-3: generative pre-trained transformer 3

Learning phases

The learning curve.

The Cobra Effect

There’s a famous story of British colonialists trying to reduce the snake population in India.

The Lucas Paradox

The Lucas paradox or the Lucas puzzle is the observation that capital does not flow from developed countries to developing countries.


It is not that we have a short time to live, but that we waste a lot of it.

Let me never fall into the vulgar mistake of dreaming that I am persecuted whenever I am contradicted. — Ralph Waldo Emerson

Death in Teheran

Nobody scapes from Death

What matters most is whether one is extending one’s life or merely delaying one’s death. – Seneca

Web development

Actualizado el 27/09/2021Best way to structure a website best speed of website SEO

Finding Your Purpose and Living a Meaningful Life

A letter by Hunter S. Thompson.


XML (Extensible Markup Language) is a markup language similar to HTML.

Things to Know

A list of things that everyone should know about.

The Red Queen Effect

The evolution-by-natural-selection model leads to something of an arms race among species competing for limited resources.

The 10 commandments of logic

Ten priniciples to follow while debating.

Vincible and invincible ignorance

Invincible ignorance is used in Catholic moral.

Polanyi’s paradox

Human beings understand intuitively how to perform but cannot verbalize the rules or procedures behind it.

Meno’s Paradox

Meno’s paradox on inquiring and knowledge.

Russell’s teapot

Russell’s teapot is an analogy, formulated by the philosopher Bertrand Russell (1872–1970), to illustrate that the philosophic burden of proof lies upon a person making unfalsifiable claims, rather than shifting the burden of disproof to others.

The Regret Minimization Framework

The goal is to minimize the number of regrets in life.

Ides of March

In modern times, the Ides of March is best known as the date on which Julius Caesar was assassinated in 44 BC.

Work is of two kinds: 1. Altering the position of matter at or near the earth’s surface relatively to other such matter. 2. Telling other people to do so. The first is unpleasant and ill paid; the second is pleasant and highly paid.» —Bertrand Russell
You never change things by fighting the existing reality. To change something, build a new model that makes the existing model obsolete. – Buckminster Fuller
I don’t trust people who don’t love themselves and tell me ‘I love you.’ … There is an African saying which is: ‘Be careful when a naked person offers you a shirt.’ — Maya Angelou


Actualizado el 27/09/2021Consider a future device, a sort of mechanized private library in which an individual stores all his books, records, and communications, and which may be consulted with exceeding speed and flexibility. It is an enlarged intimate supplement to his memory. —Vannevar Bush, As We May Think

The doctor of the future will give no medicine, but will instruct his patient in the care of the human frame in diet and in the cause and prevention of diseases. —Thomas Edison
Good days give happiness, bad days give experiences, worst days give lessons, and best days give memories. — Richard Feynman


Don’t repeat yourself

Civil inattention

Civil inattention is the process whereby strangers who are in close proximity demonstrate that they are aware of one another.

Onus probandi

Expresión latina del principio jurídico que señala quién está obligado a probar un determinado hecho ante los tribunales.

A Pale Blue Dot

Look again at that dot. That’s here. That’s home. That’s us.


Objectives and key results (OKR) is a framework for defining and tracking objectives and their outcomes.


A brocard is a legal maxim in Latin that is, in a strict sense, derived from traditional legal authorities, even from ancient Rome.

Monte Carlo simulation

Monte Carlo simulation is a computerized mathematical technique that allows people to account for risk in quantitative analysis and decision making.

Earth’s critical zone

The Critical Zone, surface and near-surface environment, sustains nearly all terrestrial life.


Concept for a unit that could be used in measuring and quantifying our brain’s activities.


A vertical take-off and landing (VTOL) aircraft is one that can hover, take off, and land vertically.

How to get paid when you invest in an asset

There are two and only two ways to get paid when you invest in an asset.

The Brier score

The Brier score is a proper score function that measures the accuracy of probabilistic predictions.

The backup rule of three

Here’s the rule of three. It’s a long time computer-person rule of thumb that you can apply to your life now. It’s also called the Backup 3-2-1 rule.


There is no controlling life.

The modern mind is overstimulated and the modern body is understimulated and overfed. Meditation, exercise, and fasting restore an ancient balance. – Naval Ravikant

Como escribir una buena entrada de blog

Qué es lo que define que queramos leer una entrada o post.

Zero to one by Peter Thiel

Highlights from Peter Thiel’s business book.

My Early Life: The Autobiography by Winston Churchill

Notes on Churchill’s first part of his autobiography.

Origin Story: A Big History of Everything by David Christian

Notes on David Christian’s book on the origin of the universe.

Energy: A Beginner’s Guide by Vaclav Smil

Notes on Vaclac Smil’s introductory book on energy.

Familiar quotations by John Bartlett

Some of the quotes and aphorisms from Familiar quotations.

Big Data Now: 2012 Edition

Notes on Bigdata.

Biomimicry: Innovation Inspired by Nature

Highlights on how ro be inspired by nature through biomimicry.

Forty Ways to Look at Winston Churchill: A Brief Account of a Long Life

Highlights on Gretchen Rubin’s biography of Winston Churchill.

Everything that civilisation has to offer is a product of human intelligence … Success in creating AI would be the biggest event in human history. – Stephen Hawking

On the Shortness of Life by Seneca the Younger

Highlights of Seneca’s book on living a good life.

Rationality: From AI to Zombies by Eliezer Yudkowsky

Highlights from the book on rationality by Eliezer Yudkowsky.

Rich Dad, Poor Dad by Robert T. Kiyosaki

Highlights on Robert T. Kiyosaki’s book.

The Journal of Sir Walter Scott: From the Original Manuscript at Abbotsford

Highlights from Sir Walter Scott’s Journal.

The Infidel and the Professor: David Hume, Adam Smith, and the Friendship That Shaped Modern Thought

Highlights from the book on two great scottish thinkers by Dennis C. Rasmussen.

American boys’ life of Theodore Roosevelt

Highlights on a short biopgraphy of Teddy Roosevelt by Edward Stratemeyer & Charles Copeland

The Richest Man in Babylon by George S. Clason

Highlights from the book by George S. Clason on how to grow rich.

Poor Richard’s Almanack by Benjamin Franklin

Highlights from Benjamin Franklin’s compendium of aphorisms.

13 Virtues of Benjamin Franklin

In 1726, at the age of 20, Benjamin Franklin created a system to develop his character.  

The future is already here – it’s just not evenly distributed. – William Gibson
Education isn’t something you can finish. – Isaac Asimov
Actualizado el 27/09/2021Earth is the cradle of humanity & you can’t stay in the cradle forever. – Elon Musk
Actualizado el 27/09/2021The dead outnumber the living 14 to 1, and we ignore the accumulated experience of such a huge majority of mankind at our peril. – Niall Ferguson
I’ve lived through some terrible things in my life, some of which have happened. – Mark Twain

Como grabar un podcast

Una breve guía sobre como grabar, publicar y distrubuir un podcast utilizando unicamente un telefono móvil.

I have to die. If it is now, well then I die now; if later, then now I will take my lunch, since the hour for lunch has arrived – and dying I will tend to later.
– Epictetus
Most men ebb and flow in wretchedness between the fear of death and the hardships of life; they are unwilling to live, and yet they do not know how to die. For this reason, make life as a whole agreeable to yourself by banishing all worry about it.
– Seneca
Most geniuses—especially those who lead others—prosper not by deconstructing intricate complexities but by exploiting unrecognized simplicities.
– Andy Benoit
You could easily spot any Religion of Peace. Its extremist members would be extremely peaceful.
– Ricky Gervais
What society runs on is not reality. What society runs on is expectations of future reality.
– Aubrey de Grey

Mental Models

A compendium of more than 250 mental models.

Douglas Adams’ Rules of Technology

Douglas Adams came up with a set of rules that describe our reactions to technologies.

Famous people in History

How far in time are we from famous people in history?

CO2 Footprint

My CO2 footprint seems to be 8,95tn/year.

A powerful algorithm for happiness is to be wealthy but anonymous. – Scott Galloway
Life can only be understood backwards; but it must be lived forwards.
– Soren Kierkegaard

The Summer Day

What is it you plan to do with your one wild and precious life?

The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.
– Ralph Waldo Emerson


Desde 2014, Mar y yo nos sacamos una foto navideña que enviamos a familia y amigos.


Un listado de los sitios que he visitado.


Un listado de mis newsletters favoritas.

Online tools

Un listado de las herramientas digitales que más uso.


Un listado de mis restaurantes favoritos.


Un listado de mis podcasts favoritos.


Un listado de mis documentales favoritos.


Un listado de mis películas favoritas.


Un listado de mis series favoritas.

Mi vida en meses

Una cronología de los eventos más importantes de mi vida.

Principles and Beliefs

A set of principles, rules and beliefs that inform my decisions.

Intelligence is the ability to adapt to change. – Stephen Hawking
There is no cloud – It’s just someone else’s computer.
We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe. That makes us something very special. – Stephen Hawking
Happiness is a choice that you make and a skill that you develop. You choose to be happy, and then you work at it. It’s just like building muscles. — Naval Ravikant
I cannot forecast to you the action of Russia. It is a riddle wrapped in a mystery inside an enigma. – Winston Churchill
Your entire life runs on the software—the models—in your head. Why wouldn’t you obsess over optimizing it? — Tim Urban
Relax, no one else knows what they’re doing either. – Ricky Gervais
You get further in life by avoiding repeated stupidity than you do by striving for maximum intelligence. — Charlie Munger


Un listado de los blogs que más leo.

Worrying does not take away tomorrow’s troubles. It takes away today’s peace. ― Randy Armstron
Religion is regarded by the common people as true, by the wise as false, and by rulers as useful. – Seneca

The Parable of the Fisherman

An eye-opening story on how to live life.

Actualizado el 27/09/2021Good timber does not grow with ease: The stronger wind, the stronger trees; The further sky, the greater length; The more the storm, the more the strength. By sun and cold, by rain and snow, In trees and men good timbers grow. – Douglas Malloch

Serenity Prayer

[…] grace to accept with serenity, the things that cannot be changed…


Un listado de las extensiones que utilizo en Google Chrome.

We’re up against ecological limits, not monetary shortages; we are constrained by a carbon budget not a federal one, and we need to remake our economy to reflect this reality. – Astra Taylor
It’s so hard to forget pain, but it’s even harder to remember sweetness. We have no scar to show for happiness. We learn so little from peace. – Chuck Palahniuk
Everything can be taken from a man but one thing: the last of the human freedoms—to choose one’s attitude in any given set of circumstances, to choose one’s own way. – Viktor E. Frankl

Shortness of Life

It is not that we have a short time to live, but that we waste a lot of it.

How much is a tree worth?

It turns out putting a vlue on tree is more difficult than expected.

The story of Ubuntu

Do you know what «Ubuntu» actually means?

Life can be much broader once you discover one simple fact: Everything around you that you call life was made up by people that were no smarter than you. And you can change it, you can influence it… Once you learn that, you’ll never be the same again. – Steve Jobs
No one can make you feel inferior without your consent. – Eleanor Roosevelt
Equality of opportunity provides in a sense that all start the race of life at the same time. Equality of outcome attempts to ensure that everyone finishes at the same time. – LJM Cooray
No code has fewer bugs than no code. – Kevlin Henney

The blind and the elephant

This parable has been used to illustrate the inability of man to know the totality of reality.

Living in the present

We can only truly live in the present.

El problema con el mundo actual es que todo el mundo cree que tiene derecho a expresar sus opiniones y que los demás tenemos que escucharlo.[…]todos tenemos derecho a tener nuestra opinión, pero esa opinión puede ser ignorada e incluso ridiculizada, especialmente si es demostrablemente una tontería. – Brian Cox
When you hear hoofbeats, think horses, not zebras. – Dr. Theodore Woodward
The man who lies to himself and listens to his own lie comes to a point that he cannot distinguish the truth within him.

Nassim Taleb on being black swans

On the odds on being born and being grateful.


There have always been conflicts.

Unnaturality of Anger

We were born to work together like feet, hands and eyes…

Life should not be a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside in a cloud of smoke, thoroughly used up, totally worn out, and loudly proclaiming ‘Wow! What a Ride!’ – Hunter S. Thompson
Everything should be made as simple as possible, but no simpler. – Albert Einstein
Some books are to be tasted, others to be swallowed, and a few to be chewed and digested. – Francis Bacon
Concentrate all your thoughts on the task at hand. The sun’s rays do not burn until brought to a focus. – Alexander Graham Bell
Work like you don’t need the money. Love like you’ve never been hurt. Dance like nobody’s watching. – Satchel Paige
A man is about as big as the things that make him angry. – Winston Churchill
The urgent are not important, and the important are never urgent. – Eisenhower
Those who can imagine anything, can create the impossible. – Alan Turing
If you want to make a living flower, you don’t build it physically cell by cell. – Christopher Alexander
Work hard at your job and you can make a living. Work hard on yourself and you can make a fortune. – Jim Rohn
The world we choose to build is the one we’ll inhabit. Technology empowers both the powerful and the powerless, and if we want a world with more liberty and less control, we’re going to have to fight for it. ― Edward Snowden
Actualizado el 27/09/2021Anybody can become angry – that is easy, but to be angry with the right person and to the right degree and at the right time and for the right purpose, and in the right way – that is not within everybody’s power and is not easy. – Aristotle

St. Crispin’s day Speech

We few, we happy few, we band of brothers;

Never be a spectator of unfairness or stupidity…The grave will supply plenty of time for silence. – Christopher Hitchens

Tim Berners-Lee’s proposal

Vague but exciting…

Actualizado el 27/09/2021Youth is wasted on the young. – George Bernard Shaw
We should do away with the notion that everybody has to earn a living.
Actualizado el 27/09/2021The minute you choose to do what you really want to do, it’s a different kind of life. – Buckminster Fuller
Actualizado el 27/09/2021People never leave a sinking ship until they see the lights of another ship approaching. – Buckminster Fuller
Actualizado el 27/09/2021There is nothing in a caterpillar that tells you it’s going to be a butterfly. – Buckminster Fuller
Actualizado el 27/09/2021The measure of intelligence is the ability to change.  – Albert Einstein

Wabi sabi

Wabi sabi is a Japanese design concept.

The man in the arena

It is not the critic who counts…

The lucky ones

We are going to die, and that makes us the lucky ones.

Actualizado el 27/09/2021All things in moderation, including moderation. – Oscar Wilde (?)
Actualizado el 27/09/2021This is the lesson: never give in, never give in, never, never, never, never—in nothing, great or small, large or petty—never give in except to convictions of honour and good sense. Never yield to force; never yield to the apparently overwhelming might of the enemy. – Winston Churchill

The tale of two wolves

A Cherokee legend about life.

Purpose of life

The purpose of life is right in front of us: It’s to create a reality we want to inhabit .

Actualizado el 27/09/2021Llama la atención que hasta ahora hemos utilizado principalmente nuestra mayor productividad para consumir más cosas en lugar de disfrutar de más tiempo libre. El desempleo se debe en parte a la falta de ingresos (fundamentalmente un problema de distribución), pero también se trata de una falta de autoestima y estatus social. –… View Article
Actualizado el 27/09/2021Lo único que tiene valor es vivir una vida de forma sincera y correcta. Y sé paciente con aquellos que no lo hacen. – Marco Aurelio
Actualizado el 27/09/2021The future is already here — it’s just not very evenly distributed. – William Gibson
Actualizado el 27/09/2021Fools learn from experience. I prefer to learn from the experience of others. – Otto von Bismarck
Actualizado el 27/09/2021To myself I am only a child playing on the beach, while vast oceans of truth lie undiscovered before me. – Isaac Newton
Actualizado el 27/09/2021El fracaso es simplemente la oportunidad de empezar de nuevo, esta vez de forma más inteligente. – Henry Ford
Actualizado el 27/09/2021The best way to predict the future is to invent it. – Alan Kay
Actualizado el 27/09/2021Nadie se ha convertido en pobre por dar a los demás. – Anne Frank
Man surprised me most about humanity. Because he sacrifices his health in order to make money. Then he sacrifices money to recuperate his health. And then he is so anxious about the future that he does not enjoy the present; the result being that he does not live in the present or the future; he lives as if he is never going to die, and then dies having never really lived. – Dalai Lama
Actualizado el 27/09/2021I use not only all the brains I have, but all I can borrow. – Woodrow Wilson
Actualizado el 27/09/2021A man should keep his little brain attic stocked with all the furniture that he is likely to need, and the rest he can put away in the lumber room of his library, where he can get it if he wants it. – Sir Arthur Conan Doyle
Actualizado el 27/09/2021The more you use your brain, the more brain you will have to use. – George A. Dorsey
Actualizado el 27/09/2021Life is ours to be spent, not to be saved. – D.H. Lawrence


Inspiring words from William Ernest Henley.

Actualizado el 27/09/2021I never saw a wild thing sorry for itself. A small bird will drop frozen dead from a bough without ever having felt sorry for itself. – D.H. Lawrence


How to become a man, by Rudyard Kipling.

Sooner or later in life everyone discovers that perfect happiness is unrealizable, but there are few who pause to consider the antithesis: that perfect unhappiness is equally unattainable. – Primo Levi
Actualizado el 27/09/2021Any advanced form of technology is indistinguishable from magic. – Arthur C. Clarke / Larry Niven *

To make much of time

Gather ye rosebuds while ye may…

Actualizado el 27/09/2021God grant me the serenity to accept the things I cannot change, courage to change the things I can, and wisdom always to tell the difference. – Kurt Vonnegut

Human History

Human history rarely changes.

Actualizado el 27/09/2021El peor enemigo del conocimiento no es la ignorancia, es la ilusión de conocimiento. – Stephen Hawking
Actualizado el 27/09/2021People who think they know everything are a great annoyance to those of us who do. – Isaac Asimov
Actualizado el 27/09/2021La primera regla de cualquier tecnología utilizada en una empresa es que la automatización aplicada a una operación eficiente aumentará la eficiencia. La segunda es que la automatización aplicada a una operación ineficiente aumentará la ineficiencia. – Bill Gates
Actualizado el 27/09/2021¿Por qué debería temer a la muerte? Si yo soy, la muerte no es. Si la muerte es, yo no lo soy. ¿Por qué debería temer aquello que solo existe cuando no lo hago yo? – Epicurio
Actualizado el 27/09/2021Cuando dices SI a otros, asegúrate que no te dices NO a ti mismo. – Paulo Coelho
Actualizado el 27/09/2021El universo tuvo un día sin un ayer. – Georges Lemaitre
Actualizado el 27/09/2021To argue with a man who has renounced the use and authority of reason, and whose philosophy consists in holding humanity in contempt, is like administering medicine to the dead, or endeavoring to convert an atheist by scripture. – Thomas Paine


He has achieved success who has lived well, laughed often and loved much…

Actualizado el 27/09/2021The illiterate of the 21st century will not be those who cannot read and write, but those who cannot learn, unlearn, and relearn. – Alvin Toffler
Actualizado el 27/09/2021We are not nouns, we are verbs. I am not a thing…an actor, a writer…I am a person who does things…I write, I act…and I never know what I’m going to do next. I think you can be imprisoned if you think of yourself as a noun. – Stephen Fry
Actualizado el 27/09/2021When we are no longer able to change a situation, we are challenged to change ourselves. – Viktor Frankl
It is not from the benevolence of the butcher, the brewer, or the baker that we expect our dinner, but from their regard to their own interest. – Adam Smith
Actualizado el 27/09/2021To sin by silence, when we should protest, Makes cowards out of men. – Ella Wheeler Wilcox
Actualizado el 27/09/2021If we saw tomorrow’s newspaper today, tomorrow would never happen. – Kenneth Boulding
Actualizado el 27/09/2021The cost of a thing is the amount of what I will call life which is required to be exchanged for it, immediately or in the long run. Walden – Henry Thoreau

Basic Rules

Actualizado el 27/09/2021Build a good name. Keep your name clean. Don’t make compromises, don’t worry about making a bunch of money or being successful. Be concerned about doing good work. Protect your work and if you build a good name, eventually that name will be its own currency. – Patti Smith

How to fall asleep in 2 minutes

Learning to fall asleep quickly is a useful skill.

How to tie your shoes

A short video on how to tie your shoes

Conocerse a uno mismo

Actualizado el 27/09/2021Creyente o no + qué religión Filosofía + qué filosofía de izquierdas o de derechas A favor / en contra aborto Conservador/liberal/progresista A favor/ en contra maltrato animal Carnívoro/vegetariano/vegano Abstemio/ no abstemio


In North Korea there is no internet access as we know it in the rest of the world, there is Kwangmyong.

Valor y precio

Una de las distinciones más importantes que debemos tener muy presentes, es en mi opinión, la diferencia entre valor y precio.

What Is Intelligence, Anyway?

A short story by Isaac Asimov.