I would say, keep that to a minimum, because what the first formula tells you should be so intuitive that you don't have to cram this.

我会说,越少越好,因为对于第一个式子的内容,你应该觉得如此自然,以至于你都不用去记

耶鲁公开课 - 基础物理课程节选

You can't cram information about music, the sound of music, into your head the night before a test the way you might be able to in an English course or a history course.

你不可能像对待英语课,或者历史课考试那样在考试前一天晚上,将音乐中的信息或者将声音死记硬背,以便应付考试

耶鲁公开课 - 聆听音乐课程节选