Hebrews 3:17

But against whom was he incensed forty years? Was it not against those who had sinned, whose corpses fell in the wilderness?

Acts 7:36

He brought them forth, after performing miracles and signs in the land of Egypt, and in the Red sea, and in the wilderness forty years.

John 3:19-21

Now this is the condemnation, that the light is come into the world, and men loved the darkness rather than the light, because their deeds were evil.

Acts 13:18

And about the space of forty years he bore with their behaviour in the wilderness.

Romans 1:28

And since they thought not fit to hold the Deity in acknowledgment, God abandoned them to a reprobate mind, to practise deeds unbecoming;

Ephesians 4:30

And grieve not the holy Spirit of God, whereby ye have been sealed unto the day of redemption.

Hebrews 3:9-10

when your fathers tempted me, proved me, and saw my works during 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
when your fathers tempted me, proved me, and saw my works during forty years.

And they

John 3:19
Now this is the condemnation, that the light is come into the world, and men loved the darkness rather than the light, because their deeds were evil.
Romans 1:28
And since they thought not fit to hold the Deity in acknowledgment, God abandoned them to a reprobate mind, to practise deeds unbecoming;