Jeremiah 18:6

God now expoundeth to the prophet his design in bidding him go to the potter's house, it was to instruct or confirm him in the power that he had over his creatures. For, saith he, as is the clay to the potter, so is the house of Israel (and indeed so are all the sons and daughters of men) unto God; God hath the same power over them that a potter hath over the clay, and a greater right to do what he pleaseth with them, than any potter hath relating to the clay; the clay is but the potter's purchase, not his creature, but man is God's creature. God, by his prophet Isaiah, made use of the same similitude, Isaiah 45:9. So doth the apostle, Romans 9:20. That God hath an absolute sovereign power to do what he pleaseth with the work of his hands, can be denied by no men of sense, whether God useth this his sovereignty in the eternal punishment of sinners, that is another thing; he hath a sovereign power, but he acteth as a just judge, rendering to every man according to his works.