2 He goes about every one of us; and even as an enemy besieging those who are shut up (in a city), he examines the walls, and tries whether there is any part of the walls less firm and less trustworthy, by entrance through which he may penetrate to the inside. He presents to the eyes seductive forms and easy pleasures, that he may destroy chastity by the sight. He tempts the ears with harmonious music, that by the hearing of sweet sounds he may relax and enervate Christian vigour. He provokes the tongue by reproaches; he instigates the hand by exasperating wrongs to the wrecklessness of murder; to make the cheat, he presents dishonest gains; to take captive the soul by money, he heaps together mischievous hoards; he promises earthly honours, that he may deprive of heavenly ones; he makes a show of false things, that he may steal away the true; and when he cannot hiddenly deceive, he threatens plainly and openly, holding forth the fear of turbulent persecution to vanquish God's servants— always restless, and always hostile, crafty in peace, and fierce in persecution.
Source: The Treatises of Cyprian (New Advent)