Be thankful for what you have; you’ll end up having more. If you concentrate on what you don’t have, you will never, ever have enough.
对于你所拥有的,要心存感激,这样你就会拥有更多。对于你所没有的,如果不停强调,你永远都不会满足。
解决数学问题的喜悦是无与伦比的;这是纯粹的智力胜利的时刻。
人生短暂,但智慧是永恒的。
Short-term debt can be dangerous because it creates the possibility of sudden runs.