The struggle continues through our whole existence until the great destroyer finally wins.

VOA: special.2009.03.19

You will have to shed the tears and you've got to bang your head on the wall and go through your own private struggle.

你们也要激动到流泪,懊悔到用脑袋撞墙,兴奋挣扎都要亲身经历

耶鲁公开课 - 基础物理课程节选

That's part of the struggle, undoubtedly, but another part of the struggle is simply to reach some means, to break through to some means of understanding the thing that you're talking about.

这就是斗争的一部分，另一部分是去寻找某种方法，能让人们通过这种方法,理解所谈论的事物。

耶鲁公开课 - 文学理论导论课程节选