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It was like when you make a move in chess and just as you take your finger off the piece, you see the mistake you’ve made, and there’s this panic because you don’t know yet the scale of disaster you’ve left yourself open to.

The elegance of a mathematical proof often mirrors the efficiency of the algorithm it describes.

一本書是一面鏡子；如果一只猴子往里看，不會有哲學家往外看。

我不相信慈善。我相信團結。

Algebraic geometry is the study of zeros of polynomials.