Mental processes are the living organism's survival toolkit.

You gotta learn to crawl before you can walk, and walk before you can run.

简单的事情应该简单，复杂的事情应该可能。

When speaking to an audience it’s better to fix your gaze on a few people than to “spray” your gaze across the room. Your eyes telegraph to others whether you really believe what you are saying.

追求物理学的统一理论不仅仅是一项学术活动；它是理解现实本质的旅程。

我们会一直陪你们到最后。

旅程本身就是一个人；没有两个是相同的。所有的计划、保障、监管和强制都是徒劳的。经过多年的挣扎，我们发现我们并没有去旅行；而是旅行带走了我们。