“Objections have likewise been raised to the divine authority of this religion from the incredulity of some of its doctrines, particularly of those concerning the Trinity, and atonement for sin by the sufferings and death of Christ; the one contradicting all the principles of human reason, and the other all our ideas of divine justice. To these objections i shall only say, that no arguments founded on principles, which we cannot comprehend, can possibly disprove a proposition already proved on principles which we do understand; and that therefore on this subject they ought not to be attended to: That three Beings should be one Being, is a proposition which certainly contradicts reason, that is, OUR reason, that it cannot be true;
for there are many propositions which contradict our reason, and yet are demonstrably true: one is the very first principle of all religion, the being of God; for that any thing should exist without a cuase, or that any thing should be the cause of its own existence, are propositions equally contradictory to our reason; yet one of them mujst be true, or nothing could ever have existed.
In like manner, the over-ruling grace of the Creator, and the free-will of His creatures, his certain foreknowledge of future events, and the undertain contingency of these events, are to our apprehensions absolute contradictions to each other, ad yet the truth of every one of these is demonstrable from Scripture, reason and experience.
All these difficulties arise from our imagining, that the mode of existence of all Beings must be familiar to our own; that is, that they must exist in time, anmd space, and hence proceeds our embarrassment on this subject. We know that no two Beings, with whose mode of existence we are acquainted, can exist in the same point of time in the same point of space, and that therefore they cannot be one. But how far Beings whose mode of existence bears no relation to time and space, may be united, we cannot comprehend, and therefore the possibility of such an union we cannot possibly deny. “
“A View of the Internal Evidence of the Christian Religion” by Soame Jenyns, 1776