6:1 - Therefore leaving the principles of the doctrine of Christ, let us go on unto perfection; not laying again the foundation of repentance from dead works, and of faith toward God,

Tertullian On Modesty
s, and strive rather after perfection, and not lay again the foundations of repentance from the works of the dead, he says: "For impossible it is that they who have once been illuminated, and have tasted the heavenly gift, and have participated in the Holy Spirit, and have tasted the word of God and found it sweet, when they shall-their age already setting-have fallen away, should be again recalled unto repentance, crucifying again for themselves the Son of God, and dishonouring Him."[256]
Five Books in Reply to Marcion
Dead fates.[62]

6:2 - Of the doctrine of baptisms, and of laying on of hands, and of resurrection of the dead, and of eternal judgment.

Theophilus to Autolycus Book I
r house is beautiful and serviceable when it has not been anointed? And what man, when he enters into this life or into the gymnasium, is not anointed with oil? And what work has either ornament or beauty unless it be anointed and burnished? Then the air and all that is under heaven is in a certain sort anointed by light and spirit; and are you unwilling to be anointed with the oil of God? Wherefore we are called Christians on this account, because we are anointed with the oil of God.[18]
Cyprian Epistle LXXII
Nor will heretics refuse to be baptized among us with the lawful and true baptism of the Church, when they shall have learnt from us that they also were baptized by Paul, who already had been baptized with the baptism of John,[36]
Cyprian Treatise XII Three Books of Testimonies Against the Jews
Let all bitterness, and wrath, and indignation, and clamour, and blasphemy, be taken away from you."[415]

6:4 - For it is impossible for those who were once enlightened, and have tasted of the heavenly gift, and were made partakers of the Holy Spirit,

Shepherd of Hermas Similitude Sixth
These have been perverted from the truth: among them there is the hope of repentance, by which it is possible to live. Corruption, then, has a hope of a kind of renewal,[7]
Theognostus of Alexandria From His Seven Books of Hypotyposes
unes with the perfected, and yet we could never say on that account that the teaching of the Spirit is superior to the teaching of the Son, but only that the Son condescends to the imperfect, while the Spirit is the seal of the perfected; even so it is not on account of the superiority of the Spirit over the Son that the blasphemy against the Spirit is a sin excluding impunity and pardon, but because for the imperfect there is pardon, while for those who have tasted the heavenly gift,[13]

6:6 - If they shall fall away, to renew them again unto repentance; seeing they crucify to themselves the Son of God afresh, and put him to an open shame.

Shepherd of Hermas Vision Third
Those then who are to repent, if they do repent, will be strong in faith, if they now repent while the tower is building. For if the building be finished, there will not be more room for any one, but he will be rejected.[22]
Tertullian On Modesty
Therefore the apostate withal will recover his former "garment," the robe of the Holy Spirit; and a renewal of the "ring," the sign and seal of baptism; and Christ will again be "slaughtered; "[104]

6:7 - For the earth which drinks in the rain that comes often upon it, and brings forth herbs meet for them by whom it is dressed, receives blessing from God:

Origen de Principiis Book III
"The earth," he says, "which drinketh in the rain that cometh oft upon it, and bringeth forth herbs meet for them for whom it is dressed, receiveth blessing from God; but that which beareth thorns and briers is rejected, and is nigh to cursing, whose end is to be burned."[99]

6:8 - But that which bears thorns and briers is rejected, and is nigh unto cursing; whose end is to be burned.

Shepherd of Hermas Vision Third
Thinking, then, that they could find a better, they wander and become wretched, and enter upon pathless places. But those which fell into the fire and were burned[27]
Archelaus Acts of the Disputation with the Heresiarch Manes
For these men refer the beginning and the end and the paternity of these ills to God Himself,-"whose end is near a curse."[20]

6:11 - And we desire that every one of you do show the same diligence to the full assurance of hope unto the end:

Clement of Alexandria Stromata Book II
And we desire that every one of you show the same diligence to the full assurance of hope," down to "made an high priest for ever, after the order of Melchizedek."[266]

6:18 - That by two immutable things, in which it was impossible for God to lie, we might have a strong consolation, who have fled for refuge to lay hold upon the hope set before us:

1 Clement
He who has commanded us not to lie, shall much more Himself not lie; for nothing is impossible with God, except to lie.[130]