可持续性不是一种选择；而是我们对后代的责任。
人类行为的首要原则是，一个人会做他认为能满足自己欲望的事情。
数学不是沿着一条清理得很好的高速公路小心行进，而是一次进入陌生荒野的旅程，探险者常常会迷路。
The same things do not produce the same effects， though conjoined with the same subjects.
And I went to talk to them about certain of the great tragedies of Western art. I wanted to see how they would seize the bare bones of certain stories, if they came in as a news item at the news desk on a Saturday afternoon.
