1 Corinthians 1:21

Clement of Alexandria Stromata Book I

And if you ask the cause of their seeming wisdom, he will say, "because of the blindness of their heart; "since "in the wisdom of God," that is, as proclaimed by the prophets, "the world knew not," in the wisdom "which spake by the prophets," "Him,"[202]

Tertullian Against Marcion Book V

by the foolishness of preaching to save them that believe."[214]

Tertullian On Modesty

See whether the heathen have in God the Father the "substance" of origin, and wisdom, and natural power of Godward recognition; by means of which power the apostle withal notes that "in the wisdom of God, the world through wisdom knew not God,"[108]

Methodius Oration on the Psalms

Blessed is He that cometh in the name of the Lord: the King against the tyrant; not with omnipotent power and wisdom, but with that which is accounted the foolishness[46]

Epitome of the Divine Institutes by Lactantius

Since, therefore, human wisdom has no existence (Socrates says in the writings of Plato), let us follow that which is divine, and let us give thanks to God, who has revealed and delivered it to us; and let us congratulate ourselves, that through the divine bounty we possess the truth and wisdom, which, though sought by so many intellects through so many ages, philosophy[66]

Origen Commentary on Matthew Book XI

handing over to them an intelligent nation who were able to admit "the foolishness of the preaching,"[181]

Origen Commentary on Matthew Book XII

But if you will understand the differences of the Word which by "the foolishness of preaching"[192]