在经济学中，规则的小变化可能导致结果的大变化。

成功建立在坚持之上，而非捷径。

The universe is infinitely diverse.

The PAC learning framework provides a formal way to quantify the learnability of a concept class.

Let us try to teach generosity and altruism, because we are born selfish.

The most important decision an investor can make is the asset allocation decision.