科学是通过证据追求真理。

医生知道的如此之少，收费却如此之高。

作一个不满足的人，胜过一只满足的猪；作一个不幸的苏格拉底，胜过作一个满足的痴人。

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.

When I write songs, I often lose track of time.

许多人会称我为冒险家，我确实是……只是另一种冒险家：那种为了证明自己的真理而冒险的人。