translation.en: In summary, instead of our students learning about the techniques of calculus, I think it would be far more significant if all of them knew what two standard deviations from the mean means. And I mean it.
translation.zh: 总体来说，比起让我们的学生 学习微积分公式， 我认为更加重要的是 让他们所有人知道两个平均数标准差 的意思。我是认真的。