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Combinatorics is like the art of counting without actually counting.

Educate the children， and it won't be necessary to punish men.

"I always try to put a little bit of humor in my drawings, because I think it makes them more enjoyable."

每個實驗都是向自然提出的一個問題，每個結果都是自然的回答。

當你做到世界最好時，你實際上無法再改進它了。

最好的結構是那些融入其功能的。