1 Corinthians 2:7

but we speak the wisdom of God, which had been hid in mystery, which God predestined before the worlds were, for our glory:

Romans 16:25-26

Now to him that is able to stablish you according to my gospel, and the preaching of Jesus Christ, agreeable to the revelation of the mystery; which was concealed from all former ages,

2 Timothy 1:9

who hath saved us, and called us with an holy calling, not according to our works, but according to his own purpose and grace, which was given us in Christ Jesus before time had a beginning;

Matthew 11:25

At that time Jesus spake and said, I thank thee, O Father, Lord of heaven and earth, that thou hast hid these things from the wise and the intelligent, and hast revealed them to babes:

Matthew 13:35

that it might be fulfilled which was spoken by the prophet, saying, I will open my mouth in parables, I will bring forth things hid from the foundation of the world.

Ephesians 1:4

as he hath elected us in him before the foundation of the world, that we should be holy and blameless before him in love:

Ephesians 3:4-9

wherein when ye read, ye may be able to perceive my knowledge in the mystery of Christ,

1 Peter 1:11

investigating to what time and to what conjuncture the Spirit of Christ in them pointed, when predicting the sufferings coming upon Christ, and the glories subsequent thereto.

1 Peter 5:1

THE presbyters among you I exhort, who am a co-presbyter and a witness of the sufferings of Christ, and a partaker of the glory which shall be revealed:

1 Peter 5:10

But the God of all grace, who hath called us to his eternal glory by Christ Jesus, when ye have suffered a little while, himself perfect, stablish, strengthen, settle you.

2 Peter 1:3

as his divine power hath freely given us all things tending to life and godliness, through the acknowledgment of him who hath called us to glory and fortitude:

Revelation 13:8

And all the inhabitants who dwell upon the earth shall worship him, whose names are not written in the book of life of the Lamb slain from the foundation of the world.

Treasury of Scripture Knowledge

Summary

But we speak the wisdom of God in a mystery, even the hidden wisdom, which God ordained before the world unto our glory:

Bible References

Even

Matthew 11:25
At that time Jesus spake and said, I thank thee, O Father, Lord of heaven and earth, that thou hast hid these things from the wise and the intelligent, and hast revealed them to babes:
Matthew 13:35
that it might be fulfilled which was spoken by the prophet, saying, I will open my mouth in parables, I will bring forth things hid from the foundation of the world.
Romans 16:25
Now to him that is able to stablish you according to my gospel, and the preaching of Jesus Christ, agreeable to the revelation of the mystery; which was concealed from all former ages,
Ephesians 1:4
as he hath elected us in him before the foundation of the world, that we should be holy and blameless before him in love:
Ephesians 3:4
wherein when ye read, ye may be able to perceive my knowledge in the mystery of Christ,
2 Timothy 1:9
who hath saved us, and called us with an holy calling, not according to our works, but according to his own purpose and grace, which was given us in Christ Jesus before time had a beginning;
1 Peter 1:11
investigating to what time and to what conjuncture the Spirit of Christ in them pointed, when predicting the sufferings coming upon Christ, and the glories subsequent thereto.
Revelation 13:8
And all the inhabitants who dwell upon the earth shall worship him, whose names are not written in the book of life of the Lamb slain from the foundation of the world.