Ephesians 5:32

This mystery is great; but I am speaking of Christ and of the assembly.

2 Corinthians 11:2

For I am jealous over you with a godly jealousy; for I espoused you to one husband, that I may present you as a pure virgin to Christ;

John 3:29

He who has the bride is the bridegroom; but the friend of the bride-groom who stands and hears him greatly rejoices because of the bridegroom's voice: this my joy, therefore, has been made full.

Ephesians 6:19

and on my behalf that utterance may be given to me, in opening my mouth to make known with boldness the mystery of the Gospel,

Colossians 2:2

that their hearts may he comforted, they being knit together in love, and unto all riches of the full assurance of the understanding, unto the full knowledge of the mystery of God, even Christ,

1 Timothy 3:8

It is needful that deacons, in like manner, be grave, not double-tongued, not addicted to much wine, not greedy of base gain;

1 Timothy 3:16

And, confessedly, great is the mystery of godliness; God was manifested in flesh, was justified in the Spirit, was seen by angels, preached among the gentiles, believed on in the world, taken up in glory.

Revelation 19:7-8

Let us rejoice, and exult, and give the glory to Him; because the marriage of the Lamb came, and His wife made herself ready."

Revelation 21:2

And I saw the holy city, New Jerusalem, coming down out of heaven from God, made ready as a bride adorned for her husband.

Treasury of Scripture Knowledge

Summary

This is a great mystery: but I speak concerning Christ and the church.

Bible References

A great

Ephesians 6:19
and on my behalf that utterance may be given to me, in opening my mouth to make known with boldness the mystery of the Gospel,
Colossians 2:2
that their hearts may he comforted, they being knit together in love, and unto all riches of the full assurance of the understanding, unto the full knowledge of the mystery of God, even Christ,
1 Timothy 3:8
It is needful that deacons, in like manner, be grave, not double-tongued, not addicted to much wine, not greedy of base gain;

Speak

John 3:29
He who has the bride is the bridegroom; but the friend of the bride-groom who stands and hears him greatly rejoices because of the bridegroom's voice: this my joy, therefore, has been made full.
2 Corinthians 11:2
For I am jealous over you with a godly jealousy; for I espoused you to one husband, that I may present you as a pure virgin to Christ;
Revelation 19:7
Let us rejoice, and exult, and give the glory to Him; because the marriage of the Lamb came, and His wife made herself ready."
Revelation 21:2
And I saw the holy city, New Jerusalem, coming down out of heaven from God, made ready as a bride adorned for her husband.