Romans 3:20

Clement of Alexandria Stromata Book II

How, then, is the law still said to be not good by certain heresies that clamorously appeal to the apostle, who says, "For by the law is the knowledge of sin? "[76]

Clement of Alexandria Stromata Book IV

Well, the body tills the ground, and hastes to it; but the soul is raised to God: trained in the true philosophy, it speeds to its kindred above, turning away from the lusts of the body, and besides these, from toil and fear, although we have shown that patience and fear belong to the good man. For if "by the law is the knowledge of sin,"[7]

Clement of Alexandria Stromata Book IV

as those allege who disparage the law, and "till the law sin was in the world; "[8]

Archelaus Acts of the Disputation with the Heresiarch Manes

and that "by the law there comes only the knowledge of sin."[437]