Every problem in mathematics is an opportunity to learn something new.
The stranger is close to us, insofar as we feel between him and ourselves common features of a national, social, occupational, or generally human, nature. He is far from us, insofar as these common features extend beyond him or us, and connect us only because they connect a great many people.
A woman can become a man’s friend only in the absence of passion between them.
Never underestimate the power of persistence.
I'm not a perfectionist, but I like to feel that things are done well.
All suffering originates from craving， from attachment， from desire.
You can do anything you set your mind to, man.