The greatest happiness is to know the source of unhappiness.

The multiverse is not a theory, but a consequence of our theories.

The soul of a place is captured not in its monuments, but in its stories.

我们必须不断地跳下悬崖，并在下落的过程中长出翅膀。

我们学得越多，就越发现自己的无知。

The laws of physics are not just rules, they are the language of the universe.

And if you take Warren Buffett and watched him with a time clock, I would say half of all the time he spends is sitting on his ass and reading. And a big chunk of the rest of the time is spent talking one on one either on the telephone or personally with highly gifted people whom he trusts and who trust him. In other words, it looks quite academic, all this worldly success.