我不想成为这样一个世界的一部分，在那里善良是一种弱点。

中国的崛起代表了自成立以来对自由国际秩序的最重大挑战。

The first fruit of this imagination—and the first lesson of the social science that embodies it—is the idea that the individual can understand his own experience and gauge his own fate only by locating himself within his period, that he can know his own chances in life only by becoming aware of those of all individuals in his circumstances.

农业的未来掌握在年轻科学家手中。

我永远相信，只要坚持，没有什么是做不到的。

爱既不善良也不诚实，并且不会以任何可靠的方式促进幸福。