Arnaud Amalric

 (Latin: Arnoldus Amalricus; died 1225) was a Cistercian abbot who played a prominent role in the.

Quotes

 * ... dum tractatetur cum baronibus de liberatione illorum qui in civitate ipsa catholici censebantur, ribaldi et alii viles et inermes personæ, non exspectato mandato principum, in civitatem fecerunt insultum, et mirantibus nostris, cum clamaretur: Ad arma, ad arma, quasi sub duarum vel trium horarum spatio, transcensis fossatis ac muro, capta est civitas Biterrensis, nostrique non parcentes ordini, sexui, vel ætati, fere viginti millia hominum in ore gladii peremerunt; factaque hostium strage permaxima, spoliata est tota civitas et succensa ...
 * ... whilst discussions were still going on with the barons about the release of those in the city who were deemed to be Catholics, the ribauds and other persons servants and other persons, of low degree and unarmed, attacked the city without waiting for orders from their leaders. To our amazement, crying 'to arms, to arms!', within the space of two or three hours they crossed the ditches and the walls and Béziers was taken. Our men spared no one, irrespective of rank, sex, or age, and put to the sword almost 20,000 people. After this great slaughter the whole city was despoiled and burnt ...
 * Report of the legates Milo and Arnaud Amalric to Pope Innocent III on the first few weeks of the and the  (August 1209), col. 139
 * Cited in: W. A. & M. D. Sibly, The Chronicle of William of Puylaurens (2003), Appendix A; The History of the Albigensian Crusade (1998), Appendix B

Kill them all; let God sort them out

 * Caedite eos. Novit enim Dominus qui sunt eius.
 * When they discovered, from the admissions of some of them, that there were Catholics mingled with the heretics they said to the abbot "Sir, what shall we do, for we cannot distinguish between the faithful and the heretics." The abbot, like the others, was afraid that many, in fear of death, would pretend to be Catholics, and after their departure, would return to their heresy, and is said to have replied "Kill them all for the Lord knoweth them that are His" and so countless number in that town were slain.
 * , Dialogus miraculorum (c. 1219–1223), XXI
 * H. von E. Scott & C. C. Swinton Bland, The Dialogue on Miracles, II (1929), p. 345
 * Cf. : Cognovit Dominus qui sunt eius (Vulgate), "The Lord knoweth them that are His" (KJV)