Congress still makes the laws. The President still enforces them. The courts still decide if there is a difference of opinion what a law requires.
BUt if you want to quote Jefferson, read this:
Christianity neither is, nor ever was, a part of the common law. ? Vol. 1 Whether Christianity is Part of the Common Law (1764)
I sincerely believe, with you, that banking institutions are more dangerous than standing armies; and that the principle of spending money to be paid by posterity, under the name of funding, is but swindling futurity on a large scale.
THOMAS JEFFERSON, letter to John Taylor, May 28, 1816