I went to the woods because I wished to live deliberately. I wanted to live deep and suck out all the marrow of life, to put to rout all that was not life.

I'm always looking for ways to improve, even when I'm at the top.

创新不仅仅是创造新产品，而是重新构想我们如何解决问题。

真相很少纯粹，也绝不简单。