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The best books... are those that tell you what you know already.

死者要求的是正義，而不僅僅是紀念。

To travel is to write with your feet.

"Books can be dangerous. The best ones should be labeled 'This could change your life.'"

I tend to like things that already exist.

數學的本質不僅在于解決問題，還在于提出正確的問題。