宇宙不仅比我们想象的更奇怪，它比我们能想象的还要奇怪。

创造一切非凡事物的那种神圣的爽朗精神总是同青年时代和创造力联系在一起的。

目标不是正确，目标是赚钱。

The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.

The world is a stage, but the play is badly cast.

可持续发展不是一种选择；它是我们对后代的责任。

人将会死，国家会建立亦会倾颓；但思想将永远长存。思想可承受的远大过死亡。