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.

The proper function of man is to live，not to exist.

【释义】经过多年努力也还不够，一旦毁坏却十分彻底。

The best weapon of a dictatorship is secrecy, but the best weapon of a democracy should be the weapon of openness.

你今天感受到的痛苦将成为你明天的力量。