I have never been able to write a happy play. I can't. I can write a funny play, but I can't write a happy play.

Don't watch the clock; do what it does. Keep going.

Success is not the key to happiness. Happiness is the key to success.

The best science is done when diverse minds come together.

A building must be a canvas for life's stories.

最好的故事是那些能引起孩子和成人共鸣的故事。