1 Corinthians 4:7

Tertullian On Prayer

is a grace of God, and you have received it, "why do you boast," saith he, "as if you have not received it? "[149]

Tertullian On the Veiling of Virgins

And if it is by God that the virtue of continence is conferred, "why gloriest thou, as if thou have not received? "[49]

Tertullian On Modesty

to differ? What, moreover, hast thou which thou hast not received? Why gloriest thou as if thou have not received? "[146]

Cyprian Treatise XII Three Books of Testimonies Against the Jews

Also in the first Epistle of Paul to the Corinthians: "For what hast thou that thou hast not received? But if thou hast received it, why boastest thou, as if thou hadst not received it? "[388]