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.

技术可以改变世界，但价值观才能决定改变的方向。

感官有时会欺骗我们，因此永远不要完全信任那些曾经欺骗过我们的人，这是明智的。

Every breakthrough starts with a question.