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Let us be grateful to people who make us happy, they are the charming gardeners who make our souls blossom.
当你解决一个数学问题时,你不仅得到了答案,还理解了为什么这是答案。
Mathematics is an art, and as an artist, you have to be honest with yourself.
我们不是从祖先那里继承地球;我们是从子孙那里借来的。