你无法回到过去改变开头，但你可以从现在开始改变结局。
You can't go back and change the beginning, but you can start where you are and change the ending.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
我不喜欢做简单的事，我喜欢接受挑战。