L'art de persuader consiste autant en celui d'agréer qu'en celui de convaincre, tant les hommes se gouvernent plus par caprice que par raison. - Blaise Pascal

Canonical books. The heretics at the beginning of the Church serve to prove the canonical books.

For after all what is man in nature? A nothing in relation to infinity, all in relation to nothing, a central point between nothing and all and infinitely far from understanding either. The ends of things and their beginnings are impregnably concealed from him in an impenetrable secret. He is equally incapable of seeing the nothingness out of which he was drawn and the infinite in which he is engulfed.

If we do not secure the foundation, we cannot secure the edifice.