A proof is a way to convince yourself and others that something is true.
真实并不在出发处也不在目的地:它是在我们穿越的过程中展现的。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
我们这些幸运的人有责任回馈社会。至于是像我这样边走边捐,还是像沃伦那样先捐一点,然后(死后)再捐很多,这是个人喜好问题。