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保持谦逊,保持渴望。
To be free is not merely to cast off one's chains, but to live in a way that respects and enhances the freedom of others.
你不可能永远快乐,但你可以永远勇敢。
The arithmetic of algebraic groups is a key to understanding the Langlands conjectures.
如果你还在想着昨天,你就不会有更好的明天。