You have to be willing to fail, to be wrong, to start over again with lessons learned.

I never saw a wild thing sorry for itself. A small bird will drop frozen dead from a bough without ever having felt sorry for itself.

一本怀有恶意的书籍将不会伤害到任何人，除了写它的傻瓜。

释义：人依赖衣食，就像鱼依赖水；国家依赖人民，就像人依赖双脚。鱼没水活不了，人没脚则寸步难行。