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Innovation is not the goal, solving real problems is.
The law, in its majestic equality, forbids the rich as well as the poor to sleep under bridges, to beg in the streets, and to steal bread.
效率是以正确的方式做事,而效能则是做正确的事。
The most beautiful thing in mathematics is the simplicity of the ideas behind the complexity.
要说“我爱你”,首先必须能够说“我”。