The true teacher defends his pupils against his own personal influence. He inspires self-distrust. He guides their eyes from himself to the spirit that quickens him. He will have no disciple.

你越把自己看作一个产品，你就越少把自己看作一个人。

Humor is a powerful tool in children's books; it can make serious topics accessible.

Success requires persistence, the ability to not give up in the face of failure, and to learn from that failure.