成为你希望在世界上看到的改变。
人生幸福的三大要素是：有事可做，有人可爱，有希望可期待。
恐惧是迷信的主要根源之一，也是残忍的主要根源之一。征服恐惧是智慧的开始，无论是在追求真理还是在追求高尚生活方式的过程中。
世界是由转瞬即逝的时刻组成的马赛克，每一个时刻本身都是珍贵的。
事实上，自然科学长期以来只是大脑和想象力的产物：现在是时候回归到对物质和显而易见事物的朴素而健全的观察了。
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.
唯一能让你明智的是你自己的经验。