I'm not perfect, and I don't pretend to be.

友谊是人生最珍贵的财富。

Simplicity can be the most powerful thing.

Our heroes are human heroes. That's a very new situation. Most other societies have had, right at their center, the worship of something transcendent: a god, a spirit, a natural force, the universe, whatever it is -- something else that is being worshiped. We've slightly lost the habit of doing that, which is, I think, why we're particularly drawn to nature.

自然界的现象，无论是机械的、化学的还是生命的，几乎完全在于通过空间、活力和热之间的持续相互转化。