Close the door. Write with no one looking over your shoulder. Don't try to figure out what other people want to hear from you; figure out what you have to say. It's the one and only thing you have to offer.

"A leader's job is to help people see the future."

宇宙的扭曲面——黑洞、虫洞、奇点等——对我如此吸引，因为它与日常生活中的平坦欧几里得几何如此不同。

永远愿意学习，因为你停止学习的那一刻就是你停止成长的那一刻。