It subverted not merely absolute authority--which the Church of England did not claim--but any authority in the Church.

It impugned the authority of the Crown to enforce religious belief by civil penalties.

Hoadly's rejection of authority, moreover, is in Law's view fatal to government of any kind.

For all lawful authority must affect eternal salvation insofar as to disobey it is to sin.

The authority the Church possesses is inherent in the very nature of the Church; for the obligation to a belief in Christianity is the same thing as to a belief in that Church which can be shown to represent Christ's teaching.
From Law's own point of view, the logic of his position is undeniable; and in his third letter to Hoadly, the real heart of his attack, he touches the centre of the latter's argument.