Psalm 95:10

“For forty years I loathed that generation,
And said they are a people who err in their heart,
And they do not know My ways.

Hebrews 3:17

And with whom was He angry for forty years? Was it not with those who sinned, whose bodies fell in the wilderness?

Acts 7:36

This man led them out, performing wonders and signs in the land of Egypt and in the Red Sea and in the wilderness for forty years.

Genesis 6:6

The Lord was sorry that He had made man on the earth, and He was grieved in His heart.

Numbers 14:33-34

Your sons shall be shepherds for forty years in the wilderness, and they will suffer for your unfaithfulness, until your corpses lie in the wilderness.

Numbers 32:13

So the Lord’s anger burned against Israel, and He made them wander in the wilderness forty years, until the entire generation of those who had done evil in the sight of the Lord was destroyed.

Deuteronomy 1:3

In the fortieth year, on the first day of the eleventh month, Moses spoke to the children of Israel, according to all that the Lord had commanded him to give to them,

Deuteronomy 2:14-16

Now the time that it took for us to come from Kadesh-barnea until we crossed over the brook Zered was thirty-eight years, until all the generation of the men of war perished from within the camp, as the Lord had sworn to them.

Proverbs 1:7

The fear of the Lord is the beginning of knowledge;
Fools despise wisdom and instruction.

Proverbs 1:22-29

“How long, O naive ones, will you love being simple-minded?
And scoffers delight themselves in scoffing
And fools hate knowledge?

Isaiah 63:17

Why, O Lord, do You cause us to stray from Your ways
And harden our heart from fearing You?
Return for the sake of Your servants, the tribes of Your heritage.

Jeremiah 9:6

“Your dwelling is in the midst of deceit;
Through deceit they refuse to know Me,” declares the Lord.

John 3:19-21

This is the judgment, that the Light has come into the world, and men loved the darkness rather than the Light, for their deeds were evil.

Acts 13:18

For a period of about forty years He put up with them in the wilderness.

Romans 1:28

And just as they did not see fit to acknowledge God any longer, God gave them over to a depraved mind, to do those things which are not proper,

Ephesians 4:30

Do not grieve the Holy Spirit of God, by whom you were sealed for the day of redemption.

Hebrews 3:9-10

Where your fathers tried Me by testing Me,
And saw My works for 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:

General references

Bible References

Forty

Numbers 14:33
Your sons shall be shepherds for forty years in the wilderness, and they will suffer for your unfaithfulness, until your corpses lie in the wilderness.
Numbers 32:13
So the Lord’s anger burned against Israel, and He made them wander in the wilderness forty years, until the entire generation of those who had done evil in the sight of the Lord was destroyed.
Deuteronomy 1:3
In the fortieth year, on the first day of the eleventh month, Moses spoke to the children of Israel, according to all that the Lord had commanded him to give to them,
Deuteronomy 2:14
Now the time that it took for us to come from Kadesh-barnea until we crossed over the brook Zered was thirty-eight years, until all the generation of the men of war perished from within the camp, as the Lord had sworn to them.
Hebrews 3:9
Where your fathers tried Me by testing Me,
And saw My works for forty years.

And they

Proverbs 1:7
The fear of the Lord is the beginning of knowledge;
Fools despise wisdom and instruction.
Jeremiah 9:6
“Your dwelling is in the midst of deceit;
Through deceit they refuse to know Me,” declares the Lord.
John 3:19
This is the judgment, that the Light has come into the world, and men loved the darkness rather than the Light, for their deeds were evil.
Romans 1:28
And just as they did not see fit to acknowledge God any longer, God gave them over to a depraved mind, to do those things which are not proper,

General references

Psalm 78:17
Yet they still continued to sin against Him,
To rebel against the Most High in the desert.