经济发展中最重要的事情不是正确地做事，而是做正确的事情。

"The past is a country we can never return to, but whose borders we are always crossing."

Mathematics is not a deductive science—that's a cliché. When you try to prove a theorem, you don't just list the hypotheses and then start to reason. What you do is trial and error, experimentation, guesswork.

The best way to predict your future is to create it.

The trouble with most people is that they think with their hopes or fears or wishes rather than with their minds.

Education is the great equalizer, but only if access to it is truly equal.

自然应当被遵循，但前提是经过艺术的提炼。