You can’t be brave if you’ve only had wonderful things happen to you.
如果你只经历过美好的事情,你就不可能勇敢。
The biggest regret in life is giving up what should not be given up easily, and stubbornly persisting in what should not be persisted.
To understand mathematics is to understand the fabric of reality.
Life is about making an impact, not making an income.
The major credit I think Jim and I deserve... is for selecting the right problem and sticking to it.
I'm not lucky, I'm blessed.