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It is the greatest happiness of the greatest number that is the measure of right and wrong.

皺紋應(yīng)當(dāng)只是微笑留下的印記。

You have to believe in yourself when no one else does.

純數(shù)學(xué)在某種程度上是邏輯思想的詩歌。

Always stay curious; that's where breakthroughs happen.

有時(shí)候最難的事情和正確的事情是同一件事。