光以为它比任何东西都快，但它错了。无论光跑得多快，黑暗总是先到一步，并在那里等着它。

自然选择是残酷的。

I don't believe in pessimism. If something doesn't come up the way you want, forge ahead. If you think it's going to rain, it will.

Don't give up easily, persistence is victory.

A language that doesn't affect the way you think about programming, is not worth knowing.

I’m a great believer in solving hard problems by using a checklist. You need to get all the likely and unlikely answers before you; otherwise it’s easy to miss something important.

成功不仅仅由利润来衡量，而是由我们对社会的积极影响来衡量。