我不是为了钱或名声而打球，我打球是因为我爱网球。

投资者应避免追逐过去的业绩。

The deepest problems of modern life derive from the claim of the individual to preserve the autonomy and individuality of his existence in the face of overwhelming social forces, of historical heritage, of external culture, and of the technique of life.

真相并不总是美丽的，美丽的话语也不一定是真相。

一切迄今为止社会的历史都是阶级斗争的历史。