The most dangerous poison is the feeling of achievement. The antidote is to think every morning, 'What can be done better?'

歌颂自己的土地等于爱它两次。

The old believe everything; the middle-aged suspect everything; the young know everything.

当数据与经验结合时，才能做出最佳决策。

文字周围的沉默与文字本身同样重要。