One of the least understood Christian authors of the pre-Constantinian period, Arnobius was a rhetor from Sicca Veneria (Le Kef, Tunisia), in the Roman province of Africa Proconsularia, and Lactantius was his pupil (Jer. Ep. 70; Vir. ill. 80). His Adversus nationes in seven books was first published in Rome in 1542 by Franciscus Sabaeus, curator of the Vatican Library, and since that time more than 30 editi…