It's definitely a practice you have to do constantly and consistently.

这是必须要进行的练习,要坚持不懈，持之以恒。

普林斯顿公开课 - 人性课程节选

Maybe they would, if they knew where I was going to go on so doggedly and do all these publications but being having the kind of mentality I have now that this student might claim that I have more to cover I've never been kicked out of the professional.

不过要是他们知道我会这么坚持不懈地做下去,还发表这么多书的话,当时的人或许会允许我，宽容我,但是如果那个学生带着我刚才的想法，的话,他或许会说,我还有很多要研究的呢,我一直都是专家。

麻省理工公开课 - 电影哲学课程节选

So that's very sad, that part of his art was very very sad. But I still, I feel pathetic as I say in the last pages or so, but I never lost admire of his fortitude in going on and doing as much as he did.

这太令人伤感了,他的艺术也是很伤感的，我在书里最后几页表示了对他的同情，但是我,从来没有停止崇敬他,坚持不懈地做了这么多的精神。

麻省理工公开课 - 电影哲学课程节选