创业就像在黑暗中摸索,你必须相信自己的直觉。
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.
Why worry? If you’ve done the very best you can, worry won’t make it any better.
We should forget about small efficiencies, say about 97% of the time: premature optimization is the root of all evil.