12:18 - Then come unto him the Sadducees, which say there is no resurrection; and they asked him, saying,

Tertullian On the Resurrection of the Flesh
Their specious inquiry concerned the flesh, whether or not it would be subject to marriage after the resurrection; and they assumed the case of a woman who had married seven brothers, so that it was a doubtful point to which of them she should be restored.[238]
Tertullian To His Wife Book I
of her so many husbands; nor is any (husband) awaiting her to put her to confusion.[11]
Tertullian On Monogamy
for the purpose of raising up seed to his brother; and this may happen repeatedly to the same person, according to that crafty question of the Sadducees;[45]

12:20 - Now there were seven brethren: and the first took a wife, and dying left no seed.

Origen Commentary on John Book VI
" On this point we may adduce the words He addresses to the Sadducees, who do not believe the doctrine of the resurrection. "Have you not read," He says,[8]

12:24 - And Jesus answering said unto them, Do all of you not therefore go astray, because all of you know not the scriptures, neither the power of God?

Tertullian On Exhortation to Chastity
God; who have restored the honour of their flesh, and who have already dedicated themselves as sons of that (future) age, by slaying in themselves the concupiscence of lust, and that whole (propensity) which could not be admitted within Paradise![69]
Clementine Homily II
And to those who err by reason of the false scriptures He fitly showed the cause of their error, saying, `Ye do therefore err, not knowing the true things of the Scriptures;[37]

12:25 - For when they shall rise from the dead, they neither marry, nor are given in marriage; but are as the angels which are in heaven.

Fragments of the Lost Work of Justin on the Resurrection
But is it not absurd to say that these members will exist after the resurrection from the dead, since the Saviour said, "They neither marry, nor are given in marriage, but shall be as the angels in heaven? "[1]
Tertullian On the Apparel of Women Book I
With what consistency do we mount that (future) judgment-seat to pronounce sentence against those whose gifts we (now) seek after? For you too, (women as you are, ) have the self-same angelic nature promised[21]

12:26 - And as concerning the dead, that they rise: have all of you not read in the book of Moses, how in the bush God spoke unto him, saying, I am the God of Abraham, and the God of Isaac, and the God of Jacob?

Origen Commentary on John Book II
Consider however, whether the divine Scriptures do not in many places teach this; as where the Saviour says,[45]

12:28 - And one of the scribes came, and having heard them reasoning together, and perceiving that he had answered them well, asked him, Which is the first commandment of all?

Tertullian An Answer to the Jews
all the precepts which afterwards sprouted forth when given through Moses; that is, Thou shalt love the Lord thy God from thy whole heart and out of thy whole soul; Thou shalt love thy neighbour as thyself;[18]

12:29 - And Jesus answered him, The first of all the commandments is, Hear, O Israel; The Lord our God is one Lord:

Epistle of Ignatius to the Antiochians
For Moses, the faithful servant of God, when he said, "The Lord thy God is one Lord,"[4]
Epistle of Ignatius to the Philippians
There is then one God and Father, and not two or three; One who is; and there is no other besides Him, the only true [God]. For "the Lord thy God," saith [the Scripture], "is one Lord."[10]
Five Books in Reply to Marcion
One God,[209]
Cyprian Treatise I On the Unity of the Church
This is the first commandment; land the second is like unto it: Thou shall love thy neighbour as thyself. On these two commandments hang all the law and the prophets."[46]
Cyprian Treatise XI Exhortation to Martyrdom Addressed to Fortunatus
So also the Lord, in His Gospel, makes mention of the first and second commandment, saying, "Hear, O Israel, The Lord thy God is one God; "[20]
Constitutions of the Holy Apostles Book II
"Hear, O Israel; the Lord our God is one Lord."[42]

12:30 - And you shall love the Lord your God with all your heart, and with all your soul, and with all your mind, and with all your strength: this is the first commandment.

First Apology of Justin
And that we ought to worship God alone, He thus persuaded us: "The greatest commandment is, Thou shalt worship the Lord thy God, and Him only shall thou serve, with all thy heart, and with all thy strength, the Lord God that made thee."[30]
Didache
who made thee; second, thy neighbour as thyself;[5]

12:31 - And the second is like, namely this, You shall love your neighbour as yourself. There is no other commandment greater than these.

Tertullian On the Apparel of Women Book II
Are we to paint ourselves out that our neighbours may perish? Where, then, is (the command), "Thou shall love thy neighbour as thyself? "[17]
The Second Epistle of Pope Fabian
And He says also, "Thou shalt love thy neighbour as thyself; "[4]

12:32 - And the scribe said unto him, Well, Master, you have said the truth: for there is one God; and there is no other but he:

Constitutions of the Holy Apostles Book VII
which the law also does appoint: "To love the Lord God with all thy mind, and with all thy soul, who is the one and only God, besides whom there is no other; "[11]

12:33 - And to love him with all the heart, and with all the understanding, and with all the soul, and with all the strength, and to love his neighbour as himself, is more than all whole burnt offerings and sacrifices.

The Second Epistle of Pope Callistus
My brethren, shun not only the holding, but even the hearing, of the judgment that bans mercy; for better is mercy than all whole burnt-offerings and sacrifices.[27]

12:38 - And he said unto them in his doctrine, Beware of the scribes, which love to go in long clothing, and love salutations in the marketplaces,

Archelaus Acts of the Disputation with the Heresiarch Manes
and while devoting great care to the things which were external, they overlooked those which bore upon the salvation of the soul. For they also had respect to "greetings in the market-place,"[170]

12:39 - And the chief seats in the synagogues, and the uppermost rooms at feasts:

Shepherd of Hermas Vision Third
and ye be shut out with all your goods beyond the gate of the tower. Wherefore I now say to you who preside over the Church and love the first seats,[40]
Clement of Alexandria Stromata Book VI
because righteous. And although here upon earth he be not honoured with the chief seat,[190]

12:41 - And Jesus sat opposite to the treasury, and beheld how the people cast money into the treasury: and many that were rich cast in much.

Archelaus Acts of the Disputation with the Heresiarch Manes
For here I perceive that Jesus also looks on willingly at the gifts of the rich men, when they are put into the treasury.[469]

12:42 - And there came a certain poor widow, and she threw in two mites, which make a farthing.

Instructions of Commodianus
In the treasury, besides, thou oughtest to give of thy labour, even as that widow whom the Anointed One preferred.[21]
Constitutions of the Holy Apostles Book III
And Christ our Lord and Master, and Searcher of hearts, saw her, and said, Verily I say unto you, that this widow hath cast into the treasury more than they all: for all they have cast in of their abundance, but this woman of her penury hath cast in all the living that she had."[30]