If you're not stubborn, you'll give up on experiments too soon. And if you're not flexible, you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.

如果你想取得真正的进步，就必须愿意挑战现状。

只要我们把脚踩在魔鬼的脖子上，世界因为有魔鬼而更加丰富。

The past is what you remember, imagine you remember, convince yourself you remember, or pretend you remember.

最好的性能改进是从非工作状态到工作状态的转变。