Matthew 7:6

Clement of Alexandria Stromata Book I

And even now I fear, as it is said, "to cast the pearls before swine, lest they tread them under foot, and turn and rend us."[144]

Tertullian The Prescription Against Heretics

in accordance with the Lord's saying, "Not to cast one's pearls before swine, nor that which is holy unto dogs."[279]

Tertullian The Prescription Against Heretics "That which is holy they will cast to the dogs, and their pearls," although (to be sure) they are not real ones, "they will fling to the swine."[430]

Tertullian On Baptism

is rather to be looked at carefully: "Give not the holy thing to the dogs, nor cast your pearls before swine; "[182]

Tertullian To His Wife Book II "Cast not," saith He, "your pearls to swine, lest they trample them to pieces, and turn round and overturn you also."[37]

Hippolytus Refutation of All Heresies Book V

This, he says, is what (Jesus) asserts: "Throw not that which is holy unto the dogs, nor pearls unto the swine."[107]

Hippolytus Refutation of All Heresies Book IX

Inasmuch as (Elchasai) considers, then, that it would be an insult to reason that these mighty and ineffable mysteries should be trampled under foot, or that they should be committed to many, he advises that as valuable pearls[68]

Cyprian Treatise V An Address to Demetrianus

And we are, moreover, bidden to keep what is holy within our own knowledge, and not expose it to be trodden down by swine and dogs, since the Lord speaks, saying, "Give not that which is holy unto the dogs, neither cast ye your pearls before swine, lest they trample them under their feet, and turn again and rend you."[6]

Cyprian Treatise XII Three Books of Testimonies Against the Jews

Also in the Gospel according to Matthew: "Give not that which is holy to dogs; neither cast ye your pearls before the swine, lest perchance they trample them down with their feet, and turn again and crush you."[625]

Archelaus Acts of the Disputation with the Heresiarch Manes " You see that it is hid in them that are lost. "For it is not meet to give the holy things to dogs."[717]

Methodius Discourse III. Thaleia

For they insult the commandments, accomplishing the will of the spirits of evil, and cast holy things to dogs, and pearls before swine,[73]

Methodius Fragments

The passage, "Give not that which is holy unto the dogs, neither cast ye your pearls before swine,"[6]

Lactantius Divine Institutes Book VII

For a mystery ought to be most faithfully concealed and covered, especially by us, who bear the name of faith.[156]

Didache

But let no one eat or drink of your Thanksgiving (Eucharist), but they who have been baptized into the name of the Lord; for concerning this also the Lord hath said, Give not that which is holy to the dogs.[92]

Constitutions of the Holy Apostles Book III

For in the mystical points we ought not to be rash, but cautious; for the Lord exhorts us, saying: "Cast not your pearls before swine, lest they trample them with their feet, and turn again and rend you."[18]

The Second Epistle of Clement Concerning Virginity

men, but in everything are estranged from the wicked. And we "do not cast that which is holy before dogs, nor pearls before swine; "[31]

Recognitions of Clement II

that we may eat with him, how much more is it proper for us to ascertain who or what sort of man he is to whom the words of immortality are to be committed! For we ought to be careful, yea, extremely careful, that we cast not our pearls before swine.[5]

Recognitions of Clement III

What, then, shall he do who has to address a mixed multitude? Shall he conceal what is true? How, then, shall he instruct those who are worthy? But if he set forth pure truth to those who do not desire to obtain salvation, he does injury to Him by whom he has been sent, and from whom he has received commandment not to throw the pearls of His words before swine and dogs,[2]

Revelation of Saint John the Theologian

nor cast our pearls before swine, lest perchance they should trample them with their feet.[55]

Martyrdom of Habib the Deacon

But another thing too it teaches us: that we should "not cast that which is holy to dogs, nor cast pearls before swine."[30]

Origen Commentary on Matthew Book X

And the Saviour holds converse with all the disciples, as merchant-men who are not only seeking the goodly pearls but who have found them and possess them, when He says, "Cast not your pearls before swine."[32]

Origen Commentary on Matthew Book X

for, in the course of those words, He said, "Give not that which is holy unto the dogs, neither cast your pearls before the swine."[34]