Are there theologians of good faith? Yes, as there have been men who believed themselves sorcerers.—Le Diner du Comte de Boulainvilliers.

Enthusiasm begins, roguery ends. It is with religion as with gambling. One begins by being dupe, one ends by being rogue.—Le Diner du Comte de Boulainvilliers.

Every country has its bonzes. But I recognise that there are as many of them deceived as deceivers. The majority are those blinded by enthusiasm in their youth, and who never recover sight; there are others who have preserved one eye, and see all squintingly. These are the stupid charlatans.—Entre deux Chinois.