The first step to getting what you want is having the courage to get rid of what you don’t.
电影就像一场梦;它不是用来理解的,而是用来体验的。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
Never forget what you are, for surely the world will not. Make it your strength. Then it can never be your weakness. Armor yourself in it, and it will never be used to hurt you. 
只要我看到进步,我不介意输球。
生活中最大的荣耀不在于从不跌倒,而在于每次跌倒后都能站起来。