组合数学就像是不用实际计数的计数艺术。
Combinatorics is like the art of counting without actually counting.
嗯,第一条规则是,如果你只是记住一些孤立的事实,然后试图把它们背出来,你是不可能真正知道任何东西的。如果事实不是挂在一个理论的格子架上,你就没有把它们变成一种可用的形式。
Truth and clarity are complementary.
Technology should serve both efficiency and ethics in mineral extraction.
我只是想做我自己,写我喜欢的音乐。
Without music, life would be a mistake.
The secret of a good old age is simply an honorable pact with solitude.