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The most important quality for a researcher is persistence.
The greatest happiness of life is the conviction that we are loved; loved for ourselves, or rather, loved in spite of ourselves.
最重要的事是享受生活——快乐——这才是最重要的。
"A good illustration should tell a story on its own, without the need for words."
膨胀的概念是宇宙在其最早的时刻经历了一段极其迅速的扩张期。
"The past is always tense, the future perfect."