The best way to learn mathematics is to do mathematics.
世界的意义在于愿望与事实的分离。
要真正理解宇宙,我们必须首先理解构成它的最小粒子。
真相还没穿上靴子,谎言已经跑遍全世界。
Your time is limited, so 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.
There are two sides to every question.