The past is hidden somewhere outside the realm, beyond the reach of intellect, in some material object (in the sensation which that material object will give us) which we do not suspect.

领导力在于因你的存在而使他人变得更好，并确保这种影响在你离开后仍能持续。

A scientist’s greatest tool is an open mind.

永远不要停止学习，因为世界永远不会停止变化。

你不能找到心灵的尽头，即使走遍所有的道路。