有史以来最大的发现就是，一个人仅仅改变自己的态度，就能改变他的未来。

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

"The only thing necessary for the triumph of evil is for good men to do nothing."

气候的变化不是一朝一夕的原因，它的由来是逐渐的。