If you aren’t in over your head, how do you know how tall you are?

T.S. Eliot

Science is the belief in the ignorance of experts.
Richard P. Feynman, The Pleasure of Finding Things Out
If there is something very slightly wrong in our definition of the theories, then the full mathematical rigor may convert these errors into ridiculous conclusions.
Richard P. Feynman, Feynman Lectures on Gravitation


Today, we mostly face the choice between those who write clearly about a subject they don’t understand and those who write poorly about a subject they don’t understand.

Nassim Nicholas Taleb, The Bed of Procrustes


An expert is a person who has found out by his own painful experience all the mistakes that we can make in a very narrow field.

Niels Bohr


You exist in full if and only if your conversation (or writings) cannot be easily reconstructed with clips from other conversations.

Nassim Nicholas Taleb, The Bed of Procrustes


I tell you, we are here on Earth to fart around, and don’t let anybody tell you different.

Kurt Vonnegut, A Man without a Country


We are better at (involuntarily) doing out of the box than (voluntarily) thinking out of the box.

Nassim Nicholas Taleb, The Bed of Procrustes


To achieve great things you need a plan and not quite enough time.

Leonard Bernstein


Part of what academics do is generate ideas and teach. The other, perhaps more important part is to play the role of “the Bu*l*hit Police”.

Mark Blyth, Austerity


It ain’t what you don’t know that gets you into trouble. It’s what you know for sure that just ain’t so.

Attributed to Mark Twain in The Big Short, but not corroborated.


The future is already here – it’s just not evenly distributed.

William Gibson in The Economist, December 4, 2003





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