"You don't have to understand the desert: all you have to do is contemplate a simple grain of sand, and you will see in it all the marvels of creation." Where are there similar images of this in the Bible?

Any help with this question would be great! I've been searching for days and can't figure out anything! :)

Similar but not exact:

The parable of the mustard seed (Matthew 13:31-32) and the grain of wheat (John 12:24).

Hope that helps... or at least helps get the juices flowing :)