The truth is: the natural world is changing. And we are totally dependent on that world. It provides our food, water and air. It is the most precious thing we have and we need to defend it.

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.

发现可能性的极限的唯一方法是超越它们进入不可能。

真正的力量不在于肌肉，而在于心灵。