in some ways, one has to admit also there maybe a grain, if not more than a grain of truth in what he seems to be saying.

我们多么不喜欢他，但必需承认,他可能有点儿道理，但就那么点儿,关于他所说的话。

耶鲁公开课 - 政治哲学导论课程节选

Alright. So take it with a grain of salt.

好，我们就说到这里。

哈佛公开课 - 计算机科学课程节选

There is something that one might be able to hold on to: the knob of something, the little flame of something that ; The grain of sand. -The grain of sand; but there is really not a decent metaphor for it, I think.

一个你可以依靠的支点：,一个不同寻常的想法，一个思想的小火花,就像一粒沙中看世界，-一粒沙中看世界;,不过我认为任何比喻都不够贴切。

普林斯顿公开课 - 人性课程节选