The most dignified letter that he ever wrote was in answer to a suggestion from Atterbury (1717), that he might change his religion upon the death of his father.

Pope replies that his worldly interests would be promoted by such a step; and, in fact, it cannot be doubted that Pope might have had a share in the good things then obtainable by successful writers, if he had qualified by taking the oaths.

But he adds, that such a change would hurt his mother's feelings, and that he was more certain of his duty to promote her happiness than of any speculative tenet whatever.

He was sure that he could mean as well in the religion he now professed as in any other; and that being so, he thought that a change even to an equally good religion could not be justified.

A similar statement appears in a letter to Swift, in 1729.
"I am of the religion of Erasmus, a Catholic.