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在数学中,最简单的问题往往导致最深刻的发现。
"The true measure of a man is how he treats someone who can do him absolutely no good."
The man who is fit to work at any particular trade is unable to understand the science of that trade without the help and guidance of those who are working with him or over him.
The most comfortable chair is the one I use myself when I have visitors.
The world is full of stories, but the stories are all one.