Behavior is not just a response to a stimulus, but is guided by expectations and purposes.

The secret of success is learning how to use pain and pleasure instead of having pain and pleasure use you. If you do that, you’re in control of your life. If you don’t, life controls you.

当你能永远活着时，你为了什么而活？

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."

解释：使用毒性大的药物治疗疾病时，病情十成中只能去掉六成就要停药，以免伤害正气。

The only time I feel at peace is when I’m in the water.