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数学的美在于它的简洁性和普遍性。
The beauty of mathematics lies in its simplicity and universality.
I never know what I think about something until I read what I've written on it.
The pursuit of science is not a luxury but a necessity for the survival of mankind.
The art of living is to know when to hold fast and when to let go.
【译文】 孔子说:“唯女子与小人难以对付。太亲近了,他们就会失礼;太疏远了,他们就会怨恨。”