恐惧也是一种信仰。

I’m positive that in 100 years much of what I take to be true today will be proved to be wrong， maybe even embarrassingly wrong， and I try really hard to identify what it is that I am wrong about today.

编程语言中最重要的东西是语义，而不是语法。

I know how much work it takes to get to the top, but even more to stay there.