So I went down to the potter’s house, and there he was working at his wheel.
The prophet is here sent to the potter's house (he knew where to find it), not to preach a sermon as before to the gates of Jerusalem, but to prepare a sermon, or rather to receive it ready prepared. Those needed not to study their sermons that had them, as he had this, by immediate inspiration.
Commenting on Jeremiah 18:1-10
And the vessel that he made of clay,.... Which is the matter the vessel is made of: was marred in the hand of the potter; while he was working it; either it fell, as the Septuagint version renders it, out of his hands, or from the beam on which it was laid; or was spoiled by some means or other, so that it was not...
wheels--literally, "on both stones." The potter's horizontal lathe consisted of two round plates, the lower one larger, the upper smaller; of stone originally, but afterwards of wood. On the upper the potter moulded the clay into what shapes he pleased. They are found represented in Egyptian remains. In Exo 1:16 alone is the Hebrew word found elsewhere, but in a different sense.