The best way to learn mathematics is to do mathematics.
Look at me.We all have marks on our face. I have this wrinkle here from your first surgery.I have these wrinkles here from your last surgery. This is the map that shows us where we’ve going.And this is the map that shows us where we’ve been.And it’s never ever ugly.
The challenge of leadership is to be strong, but not rude; be kind, but not weak; be bold, but not bully; be thoughtful, but not lazy; be humble, but not timid; be proud, but not arrogant; have humor, but without folly.
给我们赦免的，是忏悔而不是牧师。
学习不仅仅是记忆的问题；它是创造的问题。
"The most important skill for the future is learning how to learn."
意志不坚强的，智慧一定不高；说话不讲信用的，行动也不会果敢；拥有财富而不肯分给人的，不值得和他交友；守道不坚定，阅历事物不广博，辨别是非不清楚的，也不值得和他交游。