如果你的目标不是盈利——而是要做大，获得快速增长，或者成为科技行业的领军者——你将会面临很多问题。

勇敢是一种德行，不仅在战斗中，在生活中的各个方面都需要勇敢。

Time is a concept that humans have created to make sense of the universe, but the universe itself is timeless.

我在数学上花的时间越多，我就越兴奋。

You know what it’s like to wake up in the middle of the night with a vivid dream? And you know that if you don’t have a pencil and pad by the bed, it will be completely gone by the next morning. Sometimes it’s important to wake up and stop dreaming. When a really great dream shows up, grab it.

Given the choice between the experience of pain and nothing, I would choose pain.