Courtesy costs nothing. Lower the toilet seat after use. Let the people in the elevator exit before you enter. Return shopping carts to their designated areas. When you borrow something， return it better shape (filled up， cleaned) than when you got it.

The greatest stories are those that transcend time.

如果你认为你是最好的，你就永远不会成为最好的。

The purification of the soul is the highest pursuit in life.

数字是形式和思想的统治者。

安全不是一个部门——它是一种从最高层开始的文化。