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The first man who, having fenced in a piece of land, said 'This is mine,' and found people naïve enough to believe him, that man was the true founder of civil society.
I think that the thing that makes mathematics worthwhile is the fact that it has this incredible structure that you can explore and discover.
永远不要停止学习,这个行业一直在发展。
Geometry is knowledge of the eternally existent.
A novel should be a book of questions, not a book of answers.