Hebrews 3:17

And with whom was he exasperated for forty years? Was it not with those who sinned, whose corpses fell in the desert?

Acts 7:36

He it was who led them forth, performing wonders and signs in the land of Egypt, at the Red Sea, and in the desert during forty years.

John 3:19-21

And this is the sentence of condemnation, that the Light has entered the world and yet men have preferred darkness to light. It is because their actions have been evil;

Acts 13:18

For about forty years he bore with them in the desert,

Romans 1:28

Yes, as they disdained to acknowledge God any longer, God has given them up to a reprobate instinct, for the perpetration of what is improper,

Ephesians 4:30

And do not vex God's holy Spirit, by whom you have been sealed for the day of redemption.

Hebrews 3:9-10

where your fathers put me to the proof, and for forty years felt what I could do.

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 put me to the proof, and for forty years felt what I could do.

And they

John 3:19
And this is the sentence of condemnation, that the Light has entered the world and yet men have preferred darkness to light. It is because their actions have been evil;
Romans 1:28
Yes, as they disdained to acknowledge God any longer, God has given them up to a reprobate instinct, for the perpetration of what is improper,