Boswell reported that whenever Hume “heard a man was religious, he concluded that he was a rascal.”

Baron D'Holbach (1723) Many men without morals have attacked religion because it was contrary to their inclinations. Many wise men have despised it because it seemed to them ridiculous. Many persons have regarded it with indifference, because they have never felt its true disadvantages. But it is as a citizen that I attack it, because […]

As Dupont explained in his Philosophie de l'univers (1796), he was a Deist.