优化是在给定约束条件下做出最佳选择的艺术。

魔鬼最大的诡计是让世界相信他并不存在。

最好的导演是那些能让观众感受到某些东西的导演。

对付一个不自由的世界的唯一方法就是变得如此绝对自由，以至于你的存在本身就是一种反叛行为。

And that's a lot of the reason why we care so much about our careers and indeed start caring so much about material goods. You know, we're often told that we live in very materialistic times, that we're all greedy people. I don't think we are particularly materialistic. I think we live in a society which has simply pegged certain emotional rewards to the acquisition of material goods. It's not the material goods we want;

There are only two tragedies in life: one is not getting what one wants and the other is getting it.

The world is a stage, and we are all actors.