To solve a mathematical problem is to uncover a piece of the universal puzzle.
凡是大国之所以不攻打小国的,必定是由于这个小国粮食充足,城郭修筑坚固,上下和谐一心。 
The best way to predict the future is to invent it.
未来属于那些能够拥抱不确定性并将其转化为机遇的人。