Happiness is a good flow of life； the conviction that you are taking part in the universe's purpose.

The secret to success is to know something nobody else knows.

"Gratitude can transform common days into thanksgivings, turn routine jobs into joy, and change ordinary opportunities into blessings."

Psychology is a science, and teaching is an art; and sciences never generate arts directly out of themselves.

书籍是代际之间的桥梁。

You don’t build a business—you build people—and then people build the business.