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在衣著上你可以不修邊幅，但切不可讓靈魂染上污點。

Every breakthrough in laser technology brings us closer to solving mysteries that have puzzled scientists for decades.

心是脆弱的東西，容易破碎，但也有巨大的力量。

The happiest people don’t have the best of everything; they make the best of everything.

In mathematics, you don't understand things. You just get used to them.

藝術不是為了裝飾房間。它是一種防御敵人的進攻性武器。