It seems to me that the natural world is the greatest source of excitement; the greatest source of visual beauty; the greatest source of intellectual interest. It is the greatest source of so much in life that makes life worth living.

What can be shown, cannot be said.

有时候，赢的唯一方法就是拒绝参与游戏。

领导力是激励他人实现他们认为不可能的事情。