质量不是一种行为，而是一种习惯。

The world changes fast—those who adapt thrive.

If at first the idea is not absurd, then there will be no hope for it.

健康的公民是国家最大的财富。

"To love is to risk not being loved in return. To hope is to risk pain. To try is to risk failure, but risk must be taken because the greatest hazard in life is to risk nothing."

唯一具有持久重要性的自由是智慧的自由，也就是说，为了本质上值得的目的而行使的观察和判断的自由。

经济学的艺术在于理解规则与行为之间的微妙互动。