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You are not the opinion of somebody who doesn't know you or care about you.

I'm not a saint, I'm just a sinner who tries.

Life is not a paragraph, and death is no parenthesis.

數學的進步是通過概括實現的。

You can't control how other people feel, but you can control how you react to them.

當天賦不努力時，努力會戰勝天賦。