Psalm 95:10

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

Hebrews 3:17

And with whom was he displeased forty years? was it not with them that sinned, whose bodies fell in the wilderness?

Acts 7:36

This man led them forth, having wrought wonders and signs in Egypt, and in the Red Sea, and in the wilderness forty years.

Genesis 6:6

And it repented Jehovah that he had made man on the earth, and it grieved him at his heart.

Numbers 14:33-34

And your children shall be wanderers in the wilderness forty years, and shall bear your whoredoms, until your dead bodies be consumed in the wilderness.

Numbers 32:13

And Jehovah's anger was kindled against Israel, and he made them wander to and fro in the wilderness forty years, until all the generation, that had done evil in the sight of Jehovah, was consumed.

Deuteronomy 1:3

And it came to pass in the fortieth year, in the eleventh month, on the first day of the month, that Moses spake unto the children of Israel, according unto all that Jehovah had given him in commandment unto them;

Deuteronomy 2:14-16

And the days in which we came from Kadesh-barnea, until we were come over the brook Zered, were thirty and eight years; until all the generation of the men of war were consumed from the midst of the camp, as Jehovah sware unto them.

Proverbs 1:7

The fear of Jehovah is the beginning of knowledge; But the foolish despise wisdom and instruction.

Proverbs 1:22-29

How long, ye simple ones, will ye love simplicity? And scoffers delight them in scoffing, And fools hate knowledge?

Isaiah 63:17

O Jehovah, why dost thou make us to err from thy ways, and hardenest our heart from thy fear? Return for thy servants'sake, the tribes of thine inheritance.

Jeremiah 9:6

Thy habitation is in the midst of deceit; through deceit they refuse to know me, saith Jehovah.

John 3:19-21

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

Acts 13:18

And for about the time of forty years as a nursing-father bare he them in the wilderness.

Romans 1:28

And even as they refused to have God in their knowledge, God gave them up unto a reprobate mind, to do those things which are not fitting;

Ephesians 4:30

And grieve not the Holy Spirit of God, in whom ye were sealed unto the day of redemption.

Hebrews 3:9-10

Where your fathers tried 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:

General references

Bible References

Forty

Numbers 14:33
And your children shall be wanderers in the wilderness forty years, and shall bear your whoredoms, until your dead bodies be consumed in the wilderness.
Numbers 32:13
And Jehovah's anger was kindled against Israel, and he made them wander to and fro in the wilderness forty years, until all the generation, that had done evil in the sight of Jehovah, was consumed.
Deuteronomy 1:3
And it came to pass in the fortieth year, in the eleventh month, on the first day of the month, that Moses spake unto the children of Israel, according unto all that Jehovah had given him in commandment unto them;
Deuteronomy 2:14
And the days in which we came from Kadesh-barnea, until we were come over the brook Zered, were thirty and eight years; until all the generation of the men of war were consumed from the midst of the camp, as Jehovah sware unto them.
Hebrews 3:9
Where your fathers tried me by proving me, And saw my works forty years.

And they

Proverbs 1:7
The fear of Jehovah is the beginning of knowledge; But the foolish despise wisdom and instruction.
Jeremiah 9:6
Thy habitation is in the midst of deceit; through deceit they refuse to know me, saith Jehovah.
John 3:19
And this is the judgment, that the light is come into the world, and men loved the darkness rather than the light; for their works were evil.
Romans 1:28
And even as they refused to have God in their knowledge, God gave them up unto a reprobate mind, to do those things which are not fitting;

General references

Psalm 78:17
Yet went they on still to sin against him, To rebel against the Most High in the desert.

American Standard Version Public Domain