赏赐并不能让人欢喜,责罚也不能让人畏惧。

对的就说是对的，错的就说是错的，就是所谓的正直。

All things excellent are as difficult as they are rare.

The camera is like a weapon; it's dangerous if you don't know how to use it.

没有什么比一项未完成的任务永远悬在那里更令人疲惫的了。