1 Peter 3:20

1 Clement

Let us turn to every age that has passed, and learn that, from generation to generation, the Lord has granted a place of repentance to all such as would be converted unto Him. Noah preached repentance, and as many as listened to him were saved.[35]

Irenaeus Against Heresies Book I

Further, they declare that the arrangement made with respect to the ark in the Deluge, by means of which eight persons were saved,[231]

Irenaeus Against Heresies Book IV

[springing up] to eternal life, but He causes the unfruitful fig-tree immediately to dry up; and in the days of Noah He justly brought on the deluge for the purpose of extinguishing that most infamous race of men then existent, who could not bring forth fruit to God, since the angels that sinned had commingled with them, and [acted as He did] in order that He might put a check upon the sins of these men, but [that at the same time] He might preserve the archetype,[572]

Shepherd of Hermas Vision Third

For the tower was founder on the word of the almighty and glorious Name and it is kept together by the invisible power of the Lord."[15]

Pseudo-Tertullian Against All Heresies

But (in vain): for they who had originated those of the former seed sent into the ark (secretly and stealthily, and unknown to that Mother-Virtue), together with those "eight souls,"[42]

Tertullian On Monogamy

Once more, "two (joined) into one flesh" undertake (the duty of) "growing and multiplying,"-Noah, (namely), and his wife, and their sons, in single marriage.[23]

Cyprian Epistle LXXIII "In the ark," says he, "of Noah, few, that is, eight souls, were saved by water, as also baptism shall in like manner save you."[27]

Cyprian Epistle LXXV

Peter also, showing this, set forth that the Church is one, and that only they who are in the Church can be baptized; and said, "In the ark of Noah, few, that is, eight souls, were saved by water; the like figure where-unto even baptism shall save you; "[7]

Constitutions of the Holy Apostles Book VIII

and didst deliver righteous Noah from that flood by an ark,[100]

The Testaments of the Twelve Patriarchs III

Because of Him shall your holy places be desolate, polluted even to the ground, and ye shall have no place that is clean; but ye shall be among the Gentiles a curse and a dispersion, until He shall again look upon you, and in pity shall take you to Himself through faith and water.[27]