Hebrews 9:26

or else he must have suffered often since the foundation of the world. But now once at the end of the ages, he has been revealed to put away sin by the sacrifice of himself.

Hebrews 1:2

has at the end of these days spoken to us by his Son, whom he appointed heir of all things, through whom also he made the worlds.

Hebrews 7:27

who doesn't need, like those high priests, to offer up sacrifices daily, first for his own sins, and then for the sins of the people. For he did this once for all, when he offered up himself.

Hebrews 9:12

nor yet through the blood of goats and calves, but through his own blood, entered in once for all into the Holy Place, having obtained eternal redemption.

1 Peter 1:20

who was foreknown indeed before the foundation of the world, but was revealed at the end of times for your sake,

1 Peter 3:18

Because Christ also suffered for sins once, the righteous for the unrighteous, that he might bring you to God; being put to death in the flesh, but made alive in the spirit;

1 John 3:5

You know that he was revealed to take away our sins, and in him is no sin.

Matthew 25:34

Then the King will tell those on his right hand, 'Come, blessed of my Father, inherit the Kingdom prepared for you from the foundation of the world;

1 Corinthians 10:11

Now all these things happened to them by way of example, and they were written for our admonition, on whom the ends of the ages have come.

Ephesians 5:2

Walk in love, even as Christ also loved you, and gave himself up for us, an offering and a sacrifice to God for a sweet-smelling fragrance.

Hebrews 9:14

how much more will the blood of Christ, who through the eternal Spirit offered himself without blemish to God, cleanse your conscience from dead works to serve the living God?

Hebrews 10:10

by which will we have been sanctified through the offering of the body of Jesus Christ once for all.

Hebrews 10:12

but he, when he had offered one sacrifice for sins forever, sat down on the right hand of God;

Leviticus 16:21-22

Aaron shall lay both his hands on the head of the live goat, and confess over him all the iniquities of the children of Israel, and all their transgressions, even all their sins; and he shall put them on the head of the goat, and shall send him away into the wilderness by the hand of a man who is in readiness.

2 Samuel 12:13

David said to Nathan, "I have sinned against Yahweh." Nathan said to David, "Yahweh also has put away your sin. You will not die.

2 Samuel 24:10

David's heart struck him after that he had numbered the people. David said to Yahweh, "I have sinned greatly in that which I have done. But now, Yahweh, put away, I beg you, the iniquity of your servant; for I have done very foolishly."

Job 7:21

Why do you not pardon my disobedience, and take away my iniquity? For now shall I lie down in the dust. You will seek me diligently, but I shall not be."

Isaiah 2:2

It shall happen in the latter days, that the mountain of Yahweh's house shall be established on the top of the mountains, and shall be raised above the hills; and all nations shall flow to it.

Daniel 9:24

Seventy weeks are decreed on your people and on your holy city, to finish disobedience, and to make an end of sins, and to make reconciliation for iniquity, and to bring in everlasting righteousness, and to seal up vision and prophecy, and to anoint the most holy.

Daniel 10:14

Now I have come to make you understand what shall happen to your people in the latter days; for the vision is yet for [many] days:

Micah 4:1

But in the latter days, it will happen that the mountain of Yahweh's temple will be established on the top of the mountains, and it will be exalted above the hills; and peoples will stream to it.

John 1:29

The next day, he saw Jesus coming to him, and said, "Behold, the Lamb of God, who takes away the sin of the world!

John 17:24

Father, I desire that they also whom you have given me be with me where I am, that they may see my glory, which you have given me, for you loved me before the foundation of the world.

Galatians 4:1

But I say that so long as the heir is a child, he is no different from a bondservant, though he is lord of all;

Ephesians 1:10

to an administration of the fullness of the times, to sum up all things in Christ, the things in the heavens, and the things on the earth, in him;

Titus 2:14

who gave himself for us, that he might redeem us from all iniquity, and purify for himself a people for his own possession, zealous for good works.

Hebrews 4:3

For we who have believed do enter into that rest, even as he has said, "As I swore in my wrath, they will not enter into my rest;" although the works were finished from the foundation of the world.

Hebrews 10:4

For it is impossible that the blood of bulls and goats should take away sins.

Hebrews 10:26

For if we sin willfully after we have received the knowledge of the truth, there remains no more a sacrifice for sins,

1 Peter 2:24

who his own self bore our sins in his body on the tree, that we, having died to sins, might live to righteousness; by whose stripes you were healed.

Revelation 13:8

All who dwell on the earth will worship him, everyone whose name has not been written from the foundation of the world in the book of life of the Lamb who has been killed.

Revelation 17:8

The beast that you saw was, and is not; and is about to come up out of the abyss and to go into destruction. Those who dwell on the earth and whose names have not been written in the book of life from the foundation of the world will marvel when they see that the beast was, and is not, and shall be present.

Treasury of Scripture Knowledge

Summary

For then must he often have suffered since the foundation of the world: but now once in the end of the world hath he appeared to put away sin by the sacrifice of himself.

Bible References

The foundation

Matthew 25:34
Then the King will tell those on his right hand, 'Come, blessed of my Father, inherit the Kingdom prepared for you from the foundation of the world;
John 17:24
Father, I desire that they also whom you have given me be with me where I am, that they may see my glory, which you have given me, for you loved me before the foundation of the world.
1 Peter 1:20
who was foreknown indeed before the foundation of the world, but was revealed at the end of times for your sake,
Revelation 13:8
All who dwell on the earth will worship him, everyone whose name has not been written from the foundation of the world in the book of life of the Lamb who has been killed.
Revelation 17:8
The beast that you saw was, and is not; and is about to come up out of the abyss and to go into destruction. Those who dwell on the earth and whose names have not been written in the book of life from the foundation of the world will marvel when they see that the beast was, and is not, and shall be present.

In

Hebrews 1:2
has at the end of these days spoken to us by his Son, whom he appointed heir of all things, through whom also he made the worlds.
Isaiah 2:2
It shall happen in the latter days, that the mountain of Yahweh's house shall be established on the top of the mountains, and shall be raised above the hills; and all nations shall flow to it.
Daniel 10:14
Now I have come to make you understand what shall happen to your people in the latter days; for the vision is yet for [many] days:
Micah 4:1
But in the latter days, it will happen that the mountain of Yahweh's temple will be established on the top of the mountains, and it will be exalted above the hills; and peoples will stream to it.
1 Corinthians 10:11
Now all these things happened to them by way of example, and they were written for our admonition, on whom the ends of the ages have come.
Galatians 4:1
But I say that so long as the heir is a child, he is no different from a bondservant, though he is lord of all;
Ephesians 1:10
to an administration of the fullness of the times, to sum up all things in Christ, the things in the heavens, and the things on the earth, in him;
1 Peter 1:20
who was foreknown indeed before the foundation of the world, but was revealed at the end of times for your sake,

He appeared

Hebrews 9:12
nor yet through the blood of goats and calves, but through his own blood, entered in once for all into the Holy Place, having obtained eternal redemption.
Hebrews 7:27
who doesn't need, like those high priests, to offer up sacrifices daily, first for his own sins, and then for the sins of the people. For he did this once for all, when he offered up himself.
Hebrews 10:4
For it is impossible that the blood of bulls and goats should take away sins.
Leviticus 16:21
Aaron shall lay both his hands on the head of the live goat, and confess over him all the iniquities of the children of Israel, and all their transgressions, even all their sins; and he shall put them on the head of the goat, and shall send him away into the wilderness by the hand of a man who is in readiness.
2 Samuel 12:13
David said to Nathan, "I have sinned against Yahweh." Nathan said to David, "Yahweh also has put away your sin. You will not die.
2 Samuel 24:10
David's heart struck him after that he had numbered the people. David said to Yahweh, "I have sinned greatly in that which I have done. But now, Yahweh, put away, I beg you, the iniquity of your servant; for I have done very foolishly."
Job 7:21
Why do you not pardon my disobedience, and take away my iniquity? For now shall I lie down in the dust. You will seek me diligently, but I shall not be."
Daniel 9:24
Seventy weeks are decreed on your people and on your holy city, to finish disobedience, and to make an end of sins, and to make reconciliation for iniquity, and to bring in everlasting righteousness, and to seal up vision and prophecy, and to anoint the most holy.
John 1:29
The next day, he saw Jesus coming to him, and said, "Behold, the Lamb of God, who takes away the sin of the world!
1 Peter 2:24
who his own self bore our sins in his body on the tree, that we, having died to sins, might live to righteousness; by whose stripes you were healed.
1 Peter 3:18
Because Christ also suffered for sins once, the righteous for the unrighteous, that he might bring you to God; being put to death in the flesh, but made alive in the spirit;
1 John 3:5
You know that he was revealed to take away our sins, and in him is no sin.

The sacrifice

Hebrews 9:14
how much more will the blood of Christ, who through the eternal Spirit offered himself without blemish to God, cleanse your conscience from dead works to serve the living God?
Hebrews 10:12
but he, when he had offered one sacrifice for sins forever, sat down on the right hand of God;
Ephesians 5:2
Walk in love, even as Christ also loved you, and gave himself up for us, an offering and a sacrifice to God for a sweet-smelling fragrance.
Titus 2:14
who gave himself for us, that he might redeem us from all iniquity, and purify for himself a people for his own possession, zealous for good works.

General references

Leviticus 11:24
"'By these you will become unclean: whoever touches the carcass of them shall be unclean until the evening.
Leviticus 15:5
Whoever touches his bed shall wash his clothes, and bathe himself in water, and be unclean until the evening.
Leviticus 23:28
You shall do no kind of work in that same day; for it is a day of atonement, to make atonement for you before Yahweh your God.