Hebrews 3:17

And with whom was he offended forty years? Was it not with those who sinned, whose carcasses fell in the wilderness?

Acts 7:36

This very man brought them out, working wonders and signs in the land of Egypt, and in the Red Sea, and in the wilderness forty years.

John 3:19-21

And this is the condemnation, that the light hath come into the world, and men loved the darkness rather than the light; for their deeds were evil.

Acts 13:18

and for about forty years he nourished them in the wilderness.

Romans 1:28

And as they did not choose to retain God in their knowledge, God gave them up to a reprobate mind, to do things which are shameful;

Ephesians 4:30

and grieve not the Holy Spirit of God, whereby ye were sealed unto the day of redemption.

Hebrews 3:9-10

where your fathers tempted me by proving me, and saw my works forty years.

Treasury of Scripture Knowledge

Summary

Forty years long was I grieved with this generation, and said, It is a people that do err in their heart, and they have not known my ways:

Forty

Bible References

Forty

Hebrews 3:9
where your fathers tempted me by proving me, and saw my works forty years.

And they

John 3:19
And this is the condemnation, that the light hath come into the world, and men loved the darkness rather than the light; for their deeds were evil.
Romans 1:28
And as they did not choose to retain God in their knowledge, God gave them up to a reprobate mind, to do things which are shameful;