An elephant is vastly more efficient, metabolically, than a mouse. It's the same for a megacity as opposed to a village. But an elephant can break a leg very easily, whereas you can toss a mouse out of a window and it'll be fine. Size makes you fragile.

Answer e-mails from junior people before more senior ones. Junior people have further to go and tend to remember who slighted them.

If you're going to fail, you'd rather fail early than fail late in general.

Prediction, not narration, is the real test of our understanding of the world.

Karl Marx, a visionary, figured out that you can control a slave much better by convincing him he is an employee.

Only the autodidacts are free.

The classical man's worst fear was inglorious death; the modern man's worst fear is just death