文明不是绝对的，而是相对的……我们的思想和观念只有在我们的文明范围内才是真实的。

I think it is often easier to make progress on mega-ambitious dreams. Since no one else is crazy enough to do it, you have little competition. In fact, there are so few people this crazy that I feel like I know them all by first name.

世界上充满了显而易见的事物，却没有人去观察。

"I wonder how many people I've looked at all my life and never seen."