I drive a hybrid, moving into an electric car. I only drink tap water, never consume food that's travelled.

I've debated many economists who claim to specialize in risk and probability: when one takes them slightly outside their narrow focus, but within the discipline of probability, they fall apart, with the disconsolate face of a gym rat in front of a gangster hit man.

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.

You never win an argument until they attack your person.

We glorify those who left their names in history books at the expense of those contributors about whom our books are silent. We humans are not just a superficial race - we are a very unfair one.

People focus on role models; it is more effective to find antimodels - people you don't want to resemble when you grow up

You are rich if and only if money you refuse tastes better than money you accept.