Terra Nostra - pg. 195

"Quiet, Guzman, let me delight in this my hour of power by edging toward heresy, both punishable and unpunishable; punishable because it destroys a certain order of the Faith, that which through the chance and accidents of politics according to St. Paul, a persistently subtle coalescence of compromise and intransigence, has triumphed; unpunishable, truly, because heresy collects and recalls all the rich and varied spiritual impulses of our Faith, the faith that it never denies, but on the contrary multiplies, its magnificent opportunities to be and to convince. Pelagius, the conquered, is as much a Christian as Augustine, the conqueror: Origen, the castrated debtor, as much a Christian as Thomas Aquinas, the seraphic creditor. And if the heretical theses had triumphed, today's saints would be heretics and the heretics the saints, and none, because of it, less Christian. ..."