2 Peter 2:5

The English Standar Version

if he did not spare the ancient world, but preserved Noah, a herald of righteousness, with seven others, when he brought a flood upon the world of the ungodly;

Cross References

Genesis 6:17

For behold, I will bring a flood of waters upon the earth to destroy all flesh in which is the breath of life under heaven. Everything that is on the earth shall die.

Genesis 6:9

These are the generations of Noah. Noah was a righteous man, blameless in his generation. Noah walked with God.

Ezekiel 26:20

then I will make you go down with those who go down to the pit, to the people of old, and I will make you to dwell in the world below, among ruins from of old, with those who go down to the pit, so that you will not be inhabited; but I will set beauty in the land of the living.

Hebrews 11:7

By faith Noah, being warned by God concerning events as yet unseen, in reverent fear constructed an ark for the saving of his household. By this he condemned the world and became an heir of the righteousness that comes by faith.

2 Peter 3:6

and that by means of these the world that then existed was deluged with water and perished.