性能的关键在于优雅，而不是大量的特殊情况。
The key to performance is elegance, not battalions of special cases.
I think that one should recognize the reality even when one doesn't like it; indeed, especially when one doesn't like it.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的：它是关于理解的。
Think wrongly, if you please, but in all cases, think for yourself.
The noblest pleasure is the joy of understanding.
蓬草长在麻地里，不用扶它也能挺立；把白沙放在黑土里，白沙也就变成黑的了。这两个例子说明，环境对一个人的影响，是非常大的，所以才有了《孟母三迁》的故事。
