The most basic human desire is to be recognized as a human being, and the most basic human fear is to be treated as less than human.

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.

生活就是在你忙于制定其他计划时发生的事情。

Courage doesn't always roar. Sometimes courage is the quiet voice at the end of the day saying, "I will try again tomorrow."

宇宙的扭曲面——黑洞、虫洞、奇点等——是一个谜团，一个挑战我们理解的奥秘。