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1 And Moses with the elders of Israel commanded the people, saying, Keep all the commandments which I command you this day. 2 And it shall be on the day when ye shall pass over Jordan unto the land which the LORD thy God giveth thee, that thou shalt set thee up great stones, and plaister them with plaister: 3 And thou shalt write upon them all the words of this law, when thou art passed over, that thou mayest go in unto the land which the LORD thy God giveth thee, a land that floweth with milk and honey; as the LORD God of thy fathers hath promised thee. 4 Therefore it shall be when ye be gone over Jordan, that ye shall set up these stones, which I command you this day, in mount Ebal, and thou shalt plaister them with plaister. 5 And there shalt thou build an altar unto the LORD thy God, an altar of stones: thou shalt not lift up any iron tool upon them. 6 Thou shalt build the altar of the LORD thy God of whole stones: and thou shalt offer burnt offerings thereon unto the LORD thy God: 7 And thou shalt offer peace offerings, and shalt eat there, and rejoice before the LORD thy God. 8 And thou shalt write upon the stones all the words of this law very plainly. 9 And Moses and the priests the Levites spake unto all Israel, saying, Take heed, and hearken, O Israel; this day thou art become the people of the LORD thy God. 10 Thou shalt therefore obey the voice of the LORD thy God, and do his commandments and his statutes, which I command thee this day. 11 And Moses charged the people the same day, saying, 12 These shall stand upon mount Gerizim to bless the people, when ye are come over Jordan; Simeon, and Levi, and Judah, and Issachar, and Joseph, and Benjamin: 13 And these shall stand upon mount Ebal to curse; Reuben, Gad, and Asher, and Zebulun, Dan, and Naphtali. 14 And the Levites shall speak, and say unto all the men of Israel with a loud voice, 15 Cursed be the man that maketh any graven or molten image, an abomination unto the LORD, the work of the hands of the craftsman, and putteth it in a secret place. And all the people shall answer and say, Amen. 16 Cursed be he that setteth light by his father or his mother. And all the people shall say, Amen. 17 Cursed be he that removeth his neighbour's landmark. And all the people shall say, Amen. 18 Cursed be he that maketh the blind to wander out of the way. And all the people shall say, Amen. 19 Cursed be he that perverteth the judgment of the stranger, fatherless, and widow. And all the people shall say, Amen. 20 Cursed be he that lieth with his father's wife; because he uncovereth his father's skirt. And all the people shall say, Amen. 21 Cursed be he that lieth with any manner of beast. And all the people shall say, Amen. 22 Cursed be he that lieth with his sister, the daughter of his father, or the daughter of his mother. And all the people shall say, Amen. 23 Cursed be he that lieth with his mother in law. And all the people shall say, Amen. 24 Cursed be he that smiteth his neighbour secretly. And all the people shall say, Amen. 25 Cursed be he that taketh reward to slay an innocent person. And all the people shall say, Amen. 26 Cursed be he that confirmeth not all the words of this law to do them. And all the people shall say, Amen.
[AD 390] Gregory of Nazianzus on Deuteronomy 27:5
It was once counted a glory for the altar that no axe had been lifted upon it, no stonecutter’s tool seen or heard. The higher meaning was that whatever was consecrated to God should be natural and free from artifice.

[AD 420] Jerome on Deuteronomy 27:11-28:14
[Daniel 9:11] "'And (the curse) has come upon us drop by drop.'" That is, Thou hast not poured out upon us all of Thy wrath, for we should not have been able to bear it, but Thou hast poured forth a mere droplet of Thy fury, in order that we might return unto Thee once we have been immeshed in Thy snare.

"'The malediction and the curse which were written in the book of Moses, the servant of God...'" In Deuteronomy we read the curses and blessings of the Lord (Deuteronomy 27:11-28:14), which were afterwards uttered in Mount Gerizim and Ebal upon the righteous and upon the sinners.

[AD 420] Jerome on Deuteronomy 27:15
[Daniel 5:4] "They were drinking wine and praising their gods of gold, of silver, of bronze, of iron, of wood, and of stone." How great was their folly! As they drank from golden vessels, they were praising gods of wood and of stone. As long as the vessels had been in the idol-temple of Babylon, God was not moved to wrath, for they had evidently consecrated the property of God to divine worship, even though they did so in accordance with their own depraved views of religion. But after they defiled holy things for the use of men, their punishment followed upon the heels of their sacrilege. Moreover they were praising their own gods and scoffing at the God of the Jews, on the ground that they were drinking from His vessels because of the victory their own gods had bestowed upon them. Applying this figuratively, we should have to say that it applies to all the heretics or to any doctrine which is contrary to truth but which appropriates the words of the Biblical prophets and misuses the testimony of Scripture to suit its own inclination. It furnishes liquor to those whom it deceives and with whom it has committed fornication. It carries off the vessels of God's Temple and waxes drunken by quaffing them; and it does not give the praise to the God whose vessels they are, but to gods of gold and silver, of bronze, of iron, of wood, and of stone. I think that the golden ones are those which consist of earthly reason. The silver gods are those which possess the charm of eloquence and are fashioned by rhetoric. But those which bring in the fables of the poets and employ ancient traditions containing marked divergences from one another in respect to good taste or folly, such are described as bronze and iron. And those who set forth sheer absurdities are called wooden or stone. The Book of Deuteronomy divides these all into two classes, saying: "Cursed is the man who fashions a graven image and a molten image, the work of the hands of an artificer, and sets it up in a secret place" (Deuteronomy 27:15). For all heretics operate secretly and disguise their fallacious teachings, in order that they may from concealment shoot their arrows against those who are upright in heart.

[AD 202] Irenaeus on Deuteronomy 27:18
This [that is, the behavior of the Gnostics] is not the behavior of those who heal and give life but rather of those who aggravate disease and increase ignorance. The law shows itself much truer than such people when it says that whoever leads a blind man astray from the way is accursed. The apostles were sent to find those who were lost and to bring sight to those who did not see and healing to the sick. They did not speak to them in accordance with their previous opinions but by a revelation of the truth. For no one would be acting rightly if one told the blind who were already beginning to fall over the precipice to continue in their dangerous way as if it were a sound one and as if they would come through all right.

[AD 50] Galatians on Deuteronomy 27:26
O foolish Galatians, who hath bewitched you, that ye should not obey the truth, before whose eyes Jesus Christ hath been evidently set forth, crucified among you? This only would I learn of you, Received ye the Spirit by the works of the law, or by the hearing of faith? Are ye so foolish? having begun in the Spirit, are ye now made perfect by the flesh? Have ye suffered so many things in vain? if it be yet in vain. He therefore that ministereth to you the Spirit, and worketh miracles among you, doeth he it by the works of the law, or by the hearing of faith? Even as Abraham believed God, and it was accounted to him for righteousness. Know ye therefore that they which are of faith, the same are the children of Abraham. And the scripture, foreseeing that God would justify the heathen through faith, preached before the gospel unto Abraham, saying, In thee shall all nations be blessed. So then they which be of faith are blessed with faithful Abraham. For as many as are of the works of the law are under the curse: for it is written, Cursed is every one that continueth not in all things which are written in the book of the law to do them. [Deuteronomy 27:26] But that no man is justified by the law in the sight of God, it is evident: for, The just shall live by faith. And the law is not of faith: but, The man that doeth them shall live in them. Christ hath redeemed us from the curse of the law, being made a curse for us: for it is written, Cursed is every one that hangeth on a tree: That the blessing of Abraham might come on the Gentiles through Jesus Christ; that we might receive the promise of the Spirit through faith.
[AD 379] Basil of Caesarea on Deuteronomy 27:26
Moses was the writer of a great part of the law. Did he not add to it a threat against the transgressor or the negligent? He presents a general malediction upon all violators. This is seen in his introduction to the announcement of this most frightful penalty: “Cursed be every man that abides not in all that is written in the book of this law”; and elsewhere, “Cursed be he that does the work of the Lord negligently.” If he is accursed who does the work of the Lord negligently, what does he deserve who does not follow the law at all?