Please don't anybody tell me late - any time after today you didn't know when the mid-term was and therefore it clashes with 17 different things.

所以以后千万别跟我说,你不知道什么时候期中考试,然后还在考试那天安排大一堆事儿去做

耶鲁公开课 - 博弈论课程节选

So when you're seven you think, "I don't know.

你还小,所以你说,我不知道

耶鲁公开课 - 死亡课程节选