在数学中,你并不理解事物。你只是习惯了它们。
Innovation is not a choice, but a necessity for survival.
经济学中最重要的思想是简单的,但它们的影响是深远的。
Luck has nothing to do with it, because I have spent many, many hours, countless hours, on the court working for my one moment in time.
I'm not afraid to fail. I'm afraid of not trying.