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當(dāng)你對(duì)別人說“是”時(shí)，確保你沒有對(duì)自己說“不”。

"Happiness is not something ready made. It comes from your own actions."

"Science is the poetry of reality."

To lead is to serve, not to be served.

Cryptography is about communication in the presence of adversaries.

Twenty years of romance make a woman look like a ruin; but twenty years of marriage make her look like a public building.