This connection was so widely-accepted as to be included prominently in illustrations of Hebrew manuscripts, though in such cases, these depictions presumably lacked or did not evoke the negative associations generally marked by red hair. The Jews by whom these manuscripts were made and for whom they were intended seem to have attached no negative significance to the color red. Yet as we have seen, Christian iconography “saw red” in connection with Judas. The Metzgers’ manuscript illuminations suggest that to Jews as to Christians, Jews were typically red-headed and wore red clothes; it was taken for granted.58
You have been taught to insidiously plant the seeds of jealousy and hatred between communities, provinces, states that were at peace, and incite them to deeds of blood, involving them in war with each other, and to create revolutions and civil wars in countries that were independent and prosperous, cultivating the arts and the sciences and enjoying the blessings of peace. To take sides with the combatants and to act secretly with your brother Jesuit, who might be engaged on the other side, but openly opposed to that with which you might be connected, only that the Church might be the gainer in the end, in the conditions fixed in the treaties for peace and that the end justifies the means.