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I don't sing because I'm happy; I'm happy because I sing.
I think the most important thing in life is to be true to yourself.
你必须对自己的能力有信心,然后足够坚强地坚持下去。
语言中最具破坏性的一句话是:“我们一直都是这样做的。”
Collaboration and sharing of knowledge are essential for the advancement of science.