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The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
你无法取悦所有人,所以别尝试。
I don’t do things for the reaction or the criticism. I do things because I love doing them.
I was asked to act when I couldn't act. I was asked to sing 'Funny Face' when I couldn't sing, and dance with Fred Astaire when I couldn't dance. Do what you can't do!
Don't be embarrassed by your failures, learn from them and start again.