If some man in Bedlam should entertain you with sober discourse; and you desire in taking leave, to know what he were, that you might another time requite his civility; and he should tell you, he were God the Father; I think you need expect no extravagant action for argument of his madness.
This opinion of inspiration, called commonly, private spirit, begins very often, from some lucky finding of an error generally held by others; and not knowing, or not remembering, by what conduct of reason, they came to so singular a truth (as they think it, though it be many times an untruth they light on) they presently admire themselves, as being in the special grace of God Almighty, who hath revealed the same to them supernaturally, by his Spirit.