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I think frugality drives innovation， just like other constraints do. One of the only ways to get out of a tight box is to invent your way out.

The truth is, I don't know what I would have done without mathematics.

你不必完美無缺也能令人驚嘆。

The more I create, the less I know.

We are all walking libraries of forgotten books.

Generally speaking, envy, resentment, and self-pity are disastrous modes of thoughts.Self-pity gets fairly close to paranoia, and paranoia is one of the very hardest things to reverse.

即使處于巔峰，我也一直在尋找進步的方法。