I always tell my kids if you lay down, people will step over you. But if you keep scrambling, if you keep going, someone will always, always help you.

不幸福的主要原因从来都不是你身处的状况，而是你对此的想法。

理解计算的极限需要深入研究支撑算法复杂性的数学基础。

Hadst not been born than not to have pleased me better.

我一直都很幸运。机遇很少凭空出现。所以，当它们出现时，你一定要抓住。

在这个世界上，你无法选择是否受到伤害，但你可以选择由谁来伤害你。

False happiness renders men stern and proud， and that happiness is never communicated. True happiness renders them kind and sensible， and that happiness is always shared.

Labor economics is fundamentally about understanding people’s choices and constraints.