What is love except another name for the use of positive reinforcement? Or vice versa.

The secret to 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.

Remember that reputation and integrity are your most valuable assets – and can be lost in a heartbeat.

成功是一段旅程，而不是一个目的地。

The meaning of life lies in how we give it meaning.

I don’t make music for the critics. I make it for the people who need it.