A purpose of human life, no matter who is controlling it, is to love whoever is around to be loved.

生命之所以有意义是因为它会停止。

Wealth is the product of man's capacity to think.

The human race has one really effective weapon, and that is laughter.

Sometimes you have to lose to appreciate winning.

计算复杂性的美在于它能够揭示问题的固有难度，而不管用于解决这些问题的具体算法是什么。

沾沾自喜时，应该约束反省；怒不可遏时，应该约束反省；怠倦懒惰时，应该约束反省；思想狂放时，应该省约束反。