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That’s been one of my mantras—focus and simplicity.Simple can be harder than complex，you have to work hard to get your thinking clean to make it simple.

每一分都很重要，你必須為每一分而戰。

"To understand perception, study its role in adaptation."

你的態度決定你的方向。

The pursuit of science is more than the pursuit of understanding. It is the pursuit of a kind of wisdom that comes from knowing how much we do not know.

拓撲學是對圖形在任何變形下保持不變的性質的研究。

The liberal democratic system may not be perfect, but it is the best system we have.

真相很少是純粹的，也從不簡單。