The joy of mathematics is in the discovery of patterns and the understanding of their implications.
不要让你的收件箱变成代办清单。
If you don't fail at least 90 percent of the time, you're not aiming high enough.
I don't think about the past, I just think about the future.
The ability to be alone is the ability to love. It may look paradoxical to you, but it’s not. It is an existential truth: only those who can be alone are capable of love, of sharing, of going into the deepest core of another human being—without possessing the other, without becoming dependent on the other, without reducing the other to a thing, and without becoming addicted to the other.