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最大的失敗是放棄，最大的敵人是自己，最大的對手是時間。

如果你認為你理解了量子力學，那么你并沒有真正理解量子力學。

It was the best of times, it was the worst of times, it was the age of wisdom, it was the age of foolishness, it was the epoch of belief, it was the epoch of incredulity, it was the season of Light, it was the season of Darkness, it was the spring of hope, it was the winter of despair, we had everything before us, we had nothing before us, we were all going direct to Heaven, we were all doing direct the other way.