The truth is always complicated, and it’s rarely pure.

你读得越多，知道的事情就越多。你学得越多，能去的地方就越多。

意识是生存的工坊。

You can't go back and change the beginning, but you can start where you are and change the ending.

记忆是一种责任，而不是负担。

数学的本质在于它的自由。