The most remarkable development of the last quarter of the twentieth century has been the revelation of enormous weaknesses at the core of the world's seemingly strong dictatorships.

质量是企业的生命线，我们必须以最高的标准要求自己。

The story of my upbringing is the story of how a half-baked Indian is made.

Positive psychology is as concerned with strength as with weakness, as interested in building the best things in life as in repairing the worst.

使变量可变很容易。控制恒定的持续时间是诀窍。

I'm not a rapper, I'm a movement.

数学的本质在于它的自由。

我们所知道的很少，我们所不知道的却是无限的。