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译文:凡事从自身上找原因,就不会有抱怨了。这就是孟子说的行有不得反求诸己。
The beauty of mathematics lies in its ability to reveal the underlying simplicity in what appears to be complex.
In mathematics, you don't understand things. You just get used to them.
当你经历生活给我们所有人带来的挫折时,改变你对自己说的那些破坏性的话是乐观的核心技能。