• A famous mathematician once said "Every question must have a correct answer " for every question one answer."

    一位著名的数学家曾说过,“每一个问题都必定有一个正确的答案,每一个人们所回答的问题“

    耶鲁公开课 - 政治哲学导论课程节选

  • It is true mathematically, you can add two numbers, but you've got to ask yourself,"What am I doing as a physicist when I add these two numbers?"

    数学上它是正确的,你可以引入这两个常数,但是你需要问问自己,当我引入这两个常数时,这么做有什么物理意义

    耶鲁公开课 - 基础物理课程节选

  • So if you're going to turn the crank v on the math correctly, you're going Cv to have to change this p into a V somehow.

    所以如果哟啊正确地推导,我们需要把这个p变成,因为从数学上说这不是。

    麻省理工公开课 - 热力学与动力学课程节选

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