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The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart.
Ah, but a man's reach should exceed his grasp, or what's a heaven for?
It is absurd to divide people into good and bad. People are either charming or tedious.
解决数学问题的旅程和解决方案本身一样重要,因为它教会我们耐心、坚持和发现的快乐。