1 Peter 1:20

who was indeed foreknown before the foundation of the world, but was manifested in the last times because of you.

Ephesians 1:4

Just as he chose us in him before the foundation of the world, for us to be holy and unblemished before him in love.

Colossians 1:26

the mystery that was hidden from the ages and from the generations, but has now been made known to his sanctified.

Hebrews 9:26

since it would be necessary for him to suffer often, from the foundation of the world. But now once, at the end of the ages, he was made known for an annulment of sin by the sacrifice of himself.

2 Timothy 1:9-10

Who saved us and who called us with a holy calling, not according to our works, but according to his own purpose and grace, which was given us in Christ Jesus before times eternal.

Titus 1:2-3

in hope of eternal life, which the non-lying God promised before times eternal,

Hebrews 1:2

whom he appointed heir of all things, through whom also he made the ages.

Revelation 13:8

And all who dwell upon the earth will worship it, whose name has not been written in the book of life of the Lamb who was killed from the foundation of the world.

Genesis 3:15

And I will put enmity between thee and the woman, and between thy seed and her seed. He shall bruise thy head, and thou shall bruise his heel.

Proverbs 8:23

I was set up from everlasting, from the beginning, before the earth was,

Micah 5:2

But thou, Bethlehem Ephrathah, which are little to be among the thousands of Judah, out of thee he shall come forth to me who is to be ruler in Israel, whose goings forth are from of old, from everlasting.

Acts 3:25-26

Ye are sons of the prophets, and of the covenant that God made for our fathers, saying to Abraham, And in thy seed all the patriarchies of the earth will be blessed.

Romans 3:25

whom God set forth an expiatory sacrifice through faith in his blood, for proof of his justice, because of the passing over of the sins that have formerly occurred

Romans 16:25-26

Now to him who is able to establish you according to my good-news, and the preaching of Jesus Christ according to a revelation of the mystery that has been kept secret for eternal times,

Galatians 4:4

But when the fullness of the time came, God sent forth his Son, born from a woman, born under law,

Ephesians 1:10

for an administration of the fullness of the times. To gather together all things in the Christ, things in the heavens and things upon the earth,

Ephesians 3:9

and to make all men see what is the administration of the mystery hidden from the ages in God who created all things through Jesus Christ.

Ephesians 3:11

according to the purpose of the ages, which he made in Christ Jesus our Lord,

1 John 1:2

(and the life was made known, and we have seen, and testify, and declare to you the eternal life that was with the Father, and was made known to us),

1 John 3:5

And ye know that that man was made known so that he might take up our sins. And in him is no sin.

1 John 3:8

He who is doing sin is of the devil, because the devil sinned from the beginning. The Son of God was made known for this, so that he might destroy the works of the devil.

1 John 4:9-10

By this the love of God was made known in us, because God sent his Son, the only begotten, into the world so that we might live through him.

Treasury of Scripture Knowledge

Summary

Who verily was foreordained before the foundation of the world, but was manifest in these last times for you,

General references

Bible References

But

Acts 3:25
Ye are sons of the prophets, and of the covenant that God made for our fathers, saying to Abraham, And in thy seed all the patriarchies of the earth will be blessed.
Colossians 1:26
the mystery that was hidden from the ages and from the generations, but has now been made known to his sanctified.
1 John 1:2
(and the life was made known, and we have seen, and testify, and declare to you the eternal life that was with the Father, and was made known to us),
1 John 3:5
And ye know that that man was made known so that he might take up our sins. And in him is no sin.
1 John 4:9
By this the love of God was made known in us, because God sent his Son, the only begotten, into the world so that we might live through him.

In

Galatians 4:4
But when the fullness of the time came, God sent forth his Son, born from a woman, born under law,
Ephesians 1:10
for an administration of the fullness of the times. To gather together all things in the Christ, things in the heavens and things upon the earth,
Hebrews 1:2
whom he appointed heir of all things, through whom also he made the ages.
Hebrews 9:26
since it would be necessary for him to suffer often, from the foundation of the world. But now once, at the end of the ages, he was made known for an annulment of sin by the sacrifice of himself.

General references

Genesis 22:8
And Abraham said, God will provide himself the lamb for a burnt offering, my son. So they went both of them together.
Acts 15:18
Known to God from the age are all his works.