你必须相信自己，即使没有其他人相信你。
You have to believe in yourself, even when no one else does.
The secret to happiness is to face the fact that the world is horrible.
The world is changed by your example, not by your opinion.
One way of looking at speech is to say that it is a constant stratagem to cover nakedness.
怀疑是智慧的开端。