预测未来的最好方法就是创造未来。

Envy is the ulcer of the soul.

I'm focused on what I can control. I can't control what people say about me.

Your time is limited, don't waste it living someone else's life. Don't be trapped by dogma, which is living with the results of other people's thinking. Don't let the noise of others' opinions drown out your own inner voice. And most important, have the courage to follow your heart and intuition. They somehow already know what you truly want to become. Everything else is secondary.

Mathematics is the most beautiful and most powerful creation of the human spirit.

The art of any culture is the exponent of its social relationships.