It's not bad to, if you like, learn from the skills of others in order to create something you want to write.

如果你愿意，从别人那儿学习技能,用来创造你自己想编写的东西也不赖。

麻省理工公开课 - 计算机科学及编程导论课程节选

So there will be parts of the class that'll be easier for some than others, but overall I'm not expecting you to learn a lot of detail but mainly the big picture, as I said.

所以我们的课程对大家来说,有的觉得困难,有的觉得容易,但总而言之,我不要求你们纠缠于细节,主要还是抓重点,我之前说过了

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选