2 Peter 2:5

and he did not spare the ancient world, but preserved Noah, the eighth, a herald of righteousness, when he brought on a flood upon the world of the irreverent,

2 Peter 3:6

by which the world then perished, having been overflowed with water.

Hebrews 11:7

By faith Noah, being divinely warned about things not yet seen, moved with awe, prepared an ark for the salvation of his house, through which he condemned the world, and became an heir of righteousness according to faith.

Genesis 6:1-8

And it came to pass, when men began to multiply on the face of the ground, and daughters were born to them,

Genesis 7:1-24

And LORD said to Noah, Come, thou and all thy house into the ark, for I have seen thee righteous before me in this generation.

Job 22:15-16

Will thou keep the old way which wicked men have trodden?

Matthew 24:37-39

And as the days of Noah, so also will be the coming of the Son of man.

Luke 17:26-27

And just as it happened in the days of Noah, so also it will be in the days of the Son of man.

1 Peter 3:19-20

in which also, having gone, he preached to the spirits in prison

Jude 1:14-15

And Enoch also, the seventh from Adam, prophesied about these men, saying, Behold, Lord came with his holy myriads,

Treasury of Scripture Knowledge

Summary

And spared not the old world, but saved Noah the eighth person, a preacher of righteousness, bringing in the flood upon the world of the ungodly;

The eighth

Bringing

Bible References

The eighth

1 Peter 3:20
who were disobedient formerly, when the longsuffering of God waited in the days of Noah who prepared an ark in which a few, that is, eight souls were saved through water.

Bringing

2 Peter 3:6
by which the world then perished, having been overflowed with water.

General references

Genesis 6:8
But Noah found favor in the eyes of LORD.
Genesis 7:7
And Noah went in, and his sons, and his wife, and his sons' wives with him, into the ark, because of the waters of the flood.
Matthew 24:37
And as the days of Noah, so also will be the coming of the Son of man.
2 Peter 3:6
by which the world then perished, having been overflowed with water.