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.

【译文】以前的事不要再评说了，做完的事不要再议论了，过去了就不要再追咎。

"The key to success in science is collaboration and sharing knowledge."