所有行为都是由某种形式的驱力减少所驱动的。

听我说话就像一次头脑旅行，因为我只给你那些你和朋友在客厅里开玩笑的东西。唯一的区别是我有胆量在你们面前说出来。

Every tree planted today is a legacy for generations we will never meet.

I would like to fly in space.Absolutely.That would be cool.I used to just do personally risky things， but now I’ve got kids and responsibilities， so I can’t be my own test pilot.That wouldn’t be a good idea.But I definitely want to fly as soon as it’s a sensible thing to do.

成功不在于你赚了多少钱，而在于你对人们生活的影响。