Now Milton may not be able to forget Homer, but he is able to correct Homer or to preempt Homer.

弥尔顿不能忘记荷马，但他可以改正荷马或者取代荷马。

耶鲁公开课 - 弥尔顿课程节选

Once you get a formula, you've got to always remember the terms under which the formula was derived.

使用公式时,你一定不能忘记,公式使用的前提条件

耶鲁公开课 - 基础物理课程节选