最好的表演来自内心。

"I couldn’t be in a play because plays are not real life and they are full of people doing things that don’t make sense."

Philosophy is not a doctrine but an activity.

"Man, unlike any other thing organic or inorganic in the universe, grows beyond his work, walks up the stairs of his concepts, emerges ahead of his accomplishments."

真理很纯粹，可决不简单。