Never invest in any idea you can't illustrate with a crayon.

Chemistry is the central science that connects physics and biology.

我不害怕死亡。我唯一害怕的是转世回来。

The will to learn is an intrinsic motive, one that finds both its source and its reward in its own exercise.

让我们感谢那些使我们快乐的人，他们是让我们的灵魂绽放的迷人园丁。