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領導力在于讓他人因你的存在而變得更好，并確保這種影響在你離開后依然持續(xù)。

韌性的關鍵在于適應性。

With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.

A good book is an event in my life.

膨脹宇宙模型表明，宇宙在大爆炸后的最初幾分之一秒內(nèi)呈指數(shù)級膨脹。