The only limits that exist are the ones you place on yourself.
The best way to predict the future is to invent it.
释义:只要有志向,就一定能成功。  
永远别去爱一个把你当一般人对待的人。
On pricing: "There are two kinds of companies, those that work to try to charge more and those that work to charge less. We will be the second."
一个人应该原谅他的敌人,但不是在绞死他们之前。
随着超快激光器的每一次进步,我们都在重写关于原子和分子行为的教科书。