“An infallible and unmistakable sign by which we can distinguish a heretic, a man of false doctrine, an enemy of God, from one of God’s true friends is that the heretic … endeavours by word and example, openly or insidiously – sometimes under specious pretexts – to belittle the love and veneration shown to her (the Blessed Virgin Mary, Mother of God, Co-Redemptrix, Mediatrix of All Graces, and Queen of Heaven and Earth.)

-St. Louis-Marie de Monfort