Customer satisfaction is the only currency that matters in the long run.

We've learned that change is necessary for growth.

I never buy anything unless I can give a good reason why I think it will go up.

The organism has one basic tendency and striving—to actualize, maintain, and enhance the experiencing organism.

弦理论的美妙之处在于它提供了一个框架，使引力和量子力学可以和平共处。