小人办事,处理的原则是私利,合于私利的就看作利,违背私利的就看作害;君子办事,衡量的标准是道义,合于道义的就看作利,违反道义的就看作害。
真正的男人只需要两件事:危险和游戏。
动作是完整思考过程的最后一部分,精神的提升必须借助于活动或工作。
Our greatest weakness lies in giving up. The most certain way to succeed is always to try just one more time.
To understand the mind, study its operations in real life.