All right. The rules, though, are, they can only move one disk at a time, and they can never cover up a smaller disk with a larger disk. OK. Otherwise you'd just move the whole darn stack, OK?

好，规则是，他们只能一次挪动一个盘子,并且不能把大盘子放在小盘子上,不这样的话你就直接,把这一堆盘子都挪过来了对不对？

麻省理工公开课 - 计算机科学及编程导论课程节选

In order for a more or less round plate to remind me of roundness, Plato says, I have to have already met perfect roundness itself.

如果一个或多或少,有点圆的盘子能让我想到正圆,柏拉图认为,我必须已经见过完美的圆本身了

耶鲁公开课 - 死亡课程节选