无法自爱就无法爱人，憎恨自己就一定会憎恨他人。

理智是不朽的，其他一切都是有限的。

The main task in life is simply this: to identify and separate matters so that I can say clearly to myself which are externals not under my control, and which have to do with the choices I actually control.

管理者接受现状；领导者挑战现状。

最好的作品是那些无法解释的作品。