Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.

概率既由我们观察的性质决定，也由我们的理性观念决定。

自信不是"他们会喜欢我"，而是"他们不喜欢我也没关系"。

有时候你得有点调皮。

Silence is not the absence of sound, but the presence of something deeper.

领导力不是掌控，而是照顾那些你负责的人。