Irenaeus Against Heresies Book IV For he judges the Gentiles, "who serve the creature more than the Creator,"[457] Clement of Alexandria Exhortation to the Heathen What, then, is the vanity, and what the lie? The holy apostle of the Lord, reprehending the Greeks, will show thee: "Because that, when they knew God, they glorified Him not as God, neither were thankful; but became vain in their imaginations, and changed the glory of God into the likeness of corruptible man, and worshipped and served the creature more than the Creator."[98] Origen Against Celsus Book III But Paul, as a lover of truth, says of certain wise men among the Greeks, when their statements are true, that "although they knew God, they glorified Him not as God, neither were thankful."[153] Origen Against Celsus Book IV although "they glorified Him not as God, neither were thankful, but became vain in their imaginations; and professing themselves to be wise, they became foolish, and changed the glory of the incorruptible God into an image made like to corruptible man, and to birds, and four-footed beasts, and creeping things."[135] Origen Against Celsus Book VII For Scripture testifies, in regard to those who have a knowledge of those things of which Celsus speaks, and who profess a philosophy founded on these principles, that they, "when they knew God, glorified Him not as God, neither were thankful, but became vain in their imaginations; "and notwithstanding the bright light of knowledge with which God had enlightened them, "their foolish heart" was carried away, and became "darkened."[109] Cyprian Treatise XI Exhortation to Martyrdom Addressed to Fortunatus 1. That idols are not gods, and that the elements are not to be worshipped in the place of gods.[10] Methodius Discourse VIII. Thekla Now certainly the wretched ones were overwhelmed in the chaos of error, "because that, when they knew God, they glorified Him not as God, neither were thankful; but became vain in their imaginations, and their foolish heart was darkened; "[44] Lactantius Divine Institutes Book IV For, having left God, the parent and founder of all things, men began to worship the senseless works[1]