So what do you do when you're a kid and you want 3 to count a little faster than 1 and 2 and 3 and 4 what is the simplest thing you do?

因此当你还是个孩子的时候,你想数得比1，2，3，4快一些3,最简单的方法是什么？

哈佛公开课 - 计算机科学课程节选

What's the very worst thing to do when your kid cries to go into bed with you and you don't want him to go into bed with you?

当你的孩子哭闹着想和你睡在一起时,最差劲的拒绝方法,会是什么呢？

耶鲁公开课 - 心理学导论课程节选