5 if he did not spare the ancient world, but preserved Noah, a herald of righteousness, with seven others, when he brought a flood upon an ungodly world;
2 Peter 2:5 Cross References - MNT
Matthew 24:37-39
37 And as were the days of Noah, so will be the coming of the Son of man.
38 For just as in the days before the deluge they were eating and drinking, marrying and giving in marriage, until the very day when Noah entered the ark,
39 nor did they know until the deluge came and swept them away; so will be the coming of the son of man.
Luke 17:26-27
Hebrews 11:7
7 By faith Noah, warned of God of things not yet seen, reverently gave heed, and built an ark for the saving of his house; by which he condemned the world, and became an heir of the righteousness which is of faith.
1 Peter 3:19-20
2 Peter 3:6
6 and that by the same means the world which then existed was destroyed by a deluge of water.
Jude 1:14-15
14 It was to these, too, that Enoch, the "seventh in descent from Adam," prophesied, saying, "Lo! the Lord is come with myriads of his saints,
15 to execute judgment upon all, and to convict all the ungodly of all the ungodly deeds which in their ungodliness they have committed; and of all the hard things which they have spoken against Him, ungodly sinners that they are!"