不犯错就无法创作艺术。

Risk is inherent in our industry, but complacency is the real danger.

感恩是一种简单的实践，可以对你的幸福感产生深远的影响。

We begin with the hypothesis that any subject can be taught effectively in some intellectually honest form to any child at any stage of development.

Love is not enough. It has to be tended, like a fire.

真理可能被压制，但不会被消灭。