marx:

“Luther certainly conquered servitude based on devotion, but only be replacing it with a servitude based on conviction. He destroyed faith in authority, but only by restoring the authority of faith. He transformed the priests into laymen, but only by transforming the laymen into priests. He freed mankind from external religiosity, but only by making religiosity the inner man. He freed the body from its chains, but only by putting the heart in chains.” (251)

“But even if Protestantism was not the true solution, it did pose the problem correctly. It was now no longer a question of the struggle of the layman with the priest outside himself, but rather of his struggle with his own inner priest, with his priestly nature.” (252).