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一个良好的世界需要知识、善良和勇气;它不需要对过去的后悔,也不需要被无知之人长时间前说过的话所束缚的自由智慧。
A good world needs knowledge, kindliness, and courage; it does not need a regretful hankering after the past or a fettering of the free intelligence by the words uttered long ago by ignorant men.
每个人的人生都是上帝用手指书写的童话。
I do not much like to take the tone of a moralist.
All human errors are impatience, a premature breaking off of methodical procedure, an apparent fencing-in of what is apparently at issue.
"In human relationships, kindness and lies are worth a thousand truths."
一个问题如果在计算机上可以快速解决,那么它属于P类问题;如果一个解可以快速验证,那么它属于NP类问题。