Matthew 10:34

Irenaeus Against Heresies Book I

but the separating power when He said, "I came not to send peace, but a word."[50]

Tertullian Against Marcion Book III

This sword the Lord Himself came to send on earth, and not peace.[201]

Tertullian Scorpiace "For I am come to set a man at variance against his father, and the daughter against her mother, and the mother-in-law against her daughter-in-law. And a man's foes shall be they of his own household."[70]

Hippolytus Refutation of All Heresies Book V

For when the animal is dead, each of its parts is separated; and when dissolution takes place, the animal in this way vanishes. This is, he says, what has been spoken: "I came not to send peace on the earth, but a sword,"[239]

Archelaus Acts of the Disputation with the Heresiarch Manes

and here, the Lord Jesus said, "I came to send a sword upon the earth, and to set a man at variance with his neighbour,"[535]

Archelaus Acts of the Disputation with the Heresiarch Manes

explain to us how Jesus says, "I came not to send peace, but a sword."[714]

Victorinus Commentary on the Apocalypse of the Blessed John

And that He might show to the apostles that He was announcing judgment, He says: "I came not to send peace, but a sword."[8]

Recognitions of Clement II

in opposition to your Master, and that what you propose is not suitable to him who promises that he will overthrow ignorance? Or, if you are right in asking peace from the audience, then your Master was wrong in saying, `I have not come to send peace on earth, but a sword.'[20]

Recognitions of Clement VI

And in this manner the battle of knowledge and ignorance, of truth and error, arises between believing and unbelieving kinsmen and relations. And therefore He who has sent us said again `I am not come to send peace on earth, but a sword.'[6]

Clementine Homily XI

over against error, sending as it were fire upon those who are sober, namely wrath against the seducer, which is likened to a sword,[7]