"The world is always going to be dangerous, and people are always going to be good and bad."

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.

Great histories are written with ink and blood.

预测未来的最好方式就是去创造未来。