The most rewarding part of science is seeing your work help others.

我不介意你思考得慢；我介意你发表得比思考快。

The physicality of the material is its meaning.

I think it is often easier to make progress on mega-ambitious dreams. Since no one else is crazy enough to do it, you have little competition. In fact, there are so few people this crazy that I feel like I know them all by first name.