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有时候最难的事情和最正确的事情是同一件事。
不要一直犯同样的错误;尝试犯些新的错误。
Freedom is not something that anybody can be given. Freedom is something people take, and people are as free as they want to be.
司马牛问君子。孔子说:“君子不忧不惧。”问:“不忧不惧,就能叫做君子吗?”孔子说:“问心无愧,何来忧惧?”
Patience and perseverance are the keys to scientific discovery.