Pro­fes­sor: I just think of this class as 40 days in a row and then it’s over. Like the Jews in Egypt.
Stu­dent: It was 40 years.
Pro­fes­sor: 40 years, 40 days. Same dif­fer­ence.

North­east­ern Uni­ver­si­ty
Boston, Mass­a­chu­setts