He expounds, among other things in these questions, the theory that any verbal expression of faith, such as was demanded by the Church, and the departure from which was reckoned as heresy, could never fully cover the exact religious ideas of a believer, and that therefore the demand for an expression of faith in certain words was ever productive of heresy, and he says, in Question 21:

“And if heavenly things and thoughts present themselves to a man's mind as so great and so profound that he does not find corresponding words to express them, ought one to call him a heretic, because he cannot express his idea with perfect exactness?”

And in Question 33:

“And is not the fact that there was no heresy in the earliest days due to the fact