To ease pressure on prices, the Kremlin started last week to sell grain from its massive stockpiles.

VOA: standard.2010.07.23

So the inventor of the chess game said, "Ok. What I like is on the first block, first square, I would like one grain of rice.

于是象棋发明者说，“好吧，我希望，在第一个方格上，我想要一粒大米。

哈佛公开课 - 幸福课课程节选

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