Ephesians 5:32

this secret is great, and I speak in regard to Christ and to the assembly;

Isaiah 54:5

For thy Maker is thy husband, Jehovah of Hosts is His name, And thy Redeemer is the Holy One of Israel, 'God of all the earth,' He is called.

Isaiah 62:4-5

It is not said of thee any more, 'Forsaken!' And of thy land it is not said any more, 'Desolate,' For to thee is cried, 'My delight is in her,' And to thy land, 'Married,' For Jehovah hath delighted in thee, And thy land is married.

2 Corinthians 11:2

for I am zealous for you with zeal of God, for I did betroth you to one husband, a pure virgin, to present to Christ,

Psalm 45:9-17

Daughters of kings are among thy precious ones, A queen hath stood at thy right hand, In pure gold of Ophir.

Song of Songs 1:1-8

The Song of Songs, that is Solomon's.

John 3:29

he who is having the bride is bridegroom, and the friend of the bridegroom, who is standing and hearing him, with joy doth rejoice because of the voice of the bridegroom; this, then, my joy hath been fulfilled.

Ephesians 6:19

and in behalf of me, that to me may be given a word in the opening of my mouth, in freedom, to make known the secret of the good news,

Colossians 2:2

that their hearts may be comforted, being united in love, and to all riches of the full assurance of the understanding, to the full knowledge of the secret of the God and Father, and of the Christ,

1 Timothy 3:8

Ministrants -- in like manner grave, not double-tongued, not given to much wine, not given to filthy lucre,

1 Timothy 3:16

and, confessedly, great is the secret of piety -- God was manifested in flesh, declared righteous in spirit, seen by messengers, preached among nations, believed on in the world, taken up in glory!

Revelation 19:7-8

may we rejoice and exult, and give the glory to Him, because come did the marriage of the Lamb, and his wife did make herself ready;

Revelation 21:2

and I, John, saw the holy city -- new Jerusalem -- coming down from God out of the heaven, 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 in behalf of me, that to me may be given a word in the opening of my mouth, in freedom, to make known the secret of the good news,
Colossians 2:2
that their hearts may be comforted, being united in love, and to all riches of the full assurance of the understanding, to the full knowledge of the secret of the God and Father, and of the Christ,
1 Timothy 3:8
Ministrants -- in like manner grave, not double-tongued, not given to much wine, not given to filthy lucre,

Speak

Psalm 45:9
Daughters of kings are among thy precious ones, A queen hath stood at thy right hand, In pure gold of Ophir.
Isaiah 54:5
For thy Maker is thy husband, Jehovah of Hosts is His name, And thy Redeemer is the Holy One of Israel, 'God of all the earth,' He is called.
Isaiah 62:4
It is not said of thee any more, 'Forsaken!' And of thy land it is not said any more, 'Desolate,' For to thee is cried, 'My delight is in her,' And to thy land, 'Married,' For Jehovah hath delighted in thee, And thy land is married.
John 3:29
he who is having the bride is bridegroom, and the friend of the bridegroom, who is standing and hearing him, with joy doth rejoice because of the voice of the bridegroom; this, then, my joy hath been fulfilled.
2 Corinthians 11:2
for I am zealous for you with zeal of God, for I did betroth you to one husband, a pure virgin, to present to Christ,
Revelation 19:7
may we rejoice and exult, and give the glory to Him, because come did the marriage of the Lamb, and his wife did make herself ready;
Revelation 21:2
and I, John, saw the holy city -- new Jerusalem -- coming down from God out of the heaven, made ready as a bride adorned for her husband;