The function of mental processes is to mediate between the needs of the organism and the demands of the environment.

"To be hopeful in bad times is not just foolishly romantic. It is based on the fact that human history is a history not only of cruelty, but also of compassion, sacrifice, courage, kindness."

他们从来也不会搞错他们上场的次序。真是了不起。

你必须愿意失败，愿意犯错，愿意看起来愚蠢。

贫贱是苦难的境界，能很好地居于其境者就苦中有乐；富贵是快乐的境地，不能很好地对待富贵的人便会乐极生悲。