2:1 - Therefore we ought to give the more earn heed to the things which we have heard, lest at any time we should let them slip.

Origen de Principiis Book III
And the Apostle Paul warns us: "Therefore we ought to give the more earnest heed to the things which we have heard, lest perhaps we should let them slip."[299]

2:2 - For if the word spoken by angels was steadfast, and every transgression and disobedience received a just recompence of reward;

Tertullian Against Marcion Book IV
and is appointed to afford an interval of rest to the souls of the righteous, until the consummation of all things shall complete the resurrection of all men with the "full recompense of their reward."[1364]

2:3 - How shall we escape, if we neglect so great salvation; which at the first began to be spoken by the Lord, and was confirmed unto us by them that heard him;

Pseudo-Gregory Thaumaturgus A Sectional Confession of Faith
Moreover, in the Epistle to the Hebrews he writes again thus: "How shall we escape, if we neglect so great salvation; which at the first began to be spoken by the Lord, and was confirmed unto us by them that heard Him; God also bearing them witness, both with signs and wonders, and with divers miracles, and gifts of the Holy Ghost? "[93]

2:5 - For unto the angels has he not put in subjection the world to come, whereof we speak.

Tertullian An Answer to the Jews
and "made a little lower" by Him "than angels,"[323]
Cyprian Epistle LXVI
and ought to collect and cherish all the sheep which Christ by His blood and passion sought for; nor ought we to suffer our suppliant and mourning brethren to be cruelly despised and trodden down by the haughty presumption of some, since it is written, "But the man that is proud and boastful shall bring nothing at all to perfection, who has enlarged his soul as hell."[10]

2:6 - But one in a certain place testified, saying, What is man, that you are mindful of him? or the son of man that you visit him?

Tertullian An Answer to the Jews
beneath His feet."[331]

2:9 - But we see Jesus, who was made a little lower than the angels for the suffering of death, crowned with glory and honour; that he by the grace of God should taste death for every man.

Origen Commentary on John Book I
It was from His sense of that goodness that He answered him who addressed the Only-begotten with the words "Good Master,"[178]

2:10 - For it became him, for whom are all things, and by whom are all things, in bringing many sons unto glory, to make the captain of their salvation perfect through sufferings.

Tertullian On Exhortation to Chastity
Of course the houses of none but married men fare well! The families of celibates, the estates of eunuchs, the fortunes of military men, or of such as travel without wives, have gone to rack and ruin! For are not we, too, soldiers? Soldiers, indeed, subject to all the stricter discipline, that we are subject to so great a General?[63]
2 Clement
the Father of truth, who sent forth to us the Saviour and Prince of incorruption,[155]

2:11 - For both he that santifies and they who are sanctified are all of one: for which cause he is not ashamed to call them brethren,

Clement of Alexandria Exhortation to the Heathen
since Thou "weft not ashamed of me as Thy brother."[161]
Pseudo-Cyprian On the Glory of Martyrdom
is drawn away with the rent portions of the flesh; still he stands immoveable, the stronger for his sufferings, revolving only this in his mind, that in that brutality of the executioners Christ Himself is suffering[4]
Origen Commentary on John Book I
Now, in respect of wisdom and power, we have both forms of the statement, the relative and the absolute; but in respect of sanctification and redemption, this is not the case. Consider, therefore, since[174]

2:12 - Saying, I will declare your name unto my brethren, in the midst of the church will I sing praise unto you.

Epistle of Barnabas
of my brethren; and I will praise thee in the midst of the assembly of the saints."[80]

2:14 - Forasmuch then as the children are partakers of flesh and blood, he also himself likewise took part of the same; that through death he might destroy him that had the power of death, that is, the devil;

Clement of Alexandria The Instructor Book III
Perish, then, the savage beasts whose food is blood! For it is unlawful for men, whose body is nothing but flesh elaborated of blood, to touch blood. For human blood has become a partaker of the Word:[42]
Origen Commentary on Matthew Book XIII
giving heed to the fact that He was about to be delivered up into the hands of men, and that He would be killed, as matters gloomy and calling for sorrow, but not attending to the fact that He would rise on the third day, as He needed no longer time "to bring to nought through death him that had the power of death."[81]