墨翟我上没有侍奉国君的差事，下没有耕田种地的艰难，我怎么敢放弃读书呢？ 

期权的真正价值不在于其价格，而在于它为持有者提供的灵活性。

当你跟别人谈判的时候，不要把目光瞄准蛋糕中最大的一片；要瞄准如何把蛋糕做大。

Don't be afraid to give up the good to go for the great.

The world is full of people who will tell you what you can't do. What you must do is find the ones who will tell you what you can.