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生活的目的不是快乐。它是有用的,是光荣的,是富有同情心的,是让你活得有意义,活得好。
Humans are allergic to change. They love to say, 'We've always done it this way.' I try to fight that. That's why I have a clock on my wall that runs counter-clockwise.
"The essence of mathematics is not to make simple things complicated, but to make complicated things simple."