Mark 2:20

but the days will come, when the bridegroom shall be taken from them; and then shall they fast.

Luke 17:22

And He said to the disciples, the time will come, when ye shall desire to see one of the days of the Son of man, and shall not see it.

Matthew 26:31

Then saith Jesus unto them, Ye will all take offence at me this night; for it is written, "I will smite the shepherd, and the sheep of the flock shall be scattered:"

John 3:29

He that hath the bride is the bridegroom: but the friend of the bridegroom, who standeth and heareth him, rejoiceth with great joy at the bridegroom's voice. Therefore my joy is complete.

John 7:33-34

Therefore Jesus said unto them, Yet a little while I am to be among you, and then I shall go to Him that sent me.

John 12:8

For the poor ye have always with you, but me ye have not always.

John 13:33

Little children, I am to be with you but a little while longer. Ye will wish for me, and as I said to the Jews, "Whither I go ye cannot come", so I now tell you.

John 16:7

Nevertheless I tell you the truth, it is expedient for you that I should go away; for if I go not away, the comforter will not come unto you; but if I depart, I will send Him unto you.

John 16:28

and am come into the world: but now I am leaving the world again, and am going to the Father.

John 17:11

And as I am to be no longer in the world, but these are in the world, and I am coming to Thee, Holy Father, keep by thy name those whom Thou hast given me, that they may be one, as we are.

John 17:13

But now I am coming to Thee, and I speak these things in the world, that they may have my joy fulfilled in them.

Acts 1:9

And having said these things, as they were looking upon Him, He was lifted up, and a cloud received Him out of their sight.

Acts 3:21

whom heaven must indeed receive till the times of settling all things, of which God hath spoken by the mouth of all his holy prophets from the beginning.

Acts 13:2-3

and as they were ministring to the Lord, and fasting, the holy Spirit said, Separate me Barnabas and Saul, for the work to which I have called them.

Acts 14:23

And when they had appointed them elders in every church, praying and fasting, they recommended them to the Lord, in whom they had believed.

1 Corinthians 7:5

Do not withdraw from one another, unless by consent for a season, that ye may attend to fasting and prayer: and come together again, least Satan tempt you through your incontinency.

2 Corinthians 6:5

in stripes, in imprisonments, in tumults, in labors, in watchings, in fastings;

2 Corinthians 11:2

For I am jealous over you with a godly jealousy, having espoused you to one husband, that I may present you as a chaste virgin to Christ.

2 Corinthians 11:27

in labor and toil, in watchings often, in hunger and thirst, in fastings often, in cold and nakedness: and beside these outward troubles,

Revelation 19:7

Let us rejoice and exult and give glory to Him: for the marriage of the Lamb is come, and his wife hath made herself ready.

Revelation 21:9

And there came unto me one of the seven angels, who had the seven vials full of the seven last plagues, and he spake with me, saying, Come hither, I will shew thee the bride, the Lamb's wife.

Treasury of Scripture Knowledge

Summary

But the days will come, when the bridegroom shall be taken away from them, and then shall they fast in those days.

Bible References

Be taken

Matthew 26:31
Then saith Jesus unto them, Ye will all take offence at me this night; for it is written, "I will smite the shepherd, and the sheep of the flock shall be scattered:"
John 7:33
Therefore Jesus said unto them, Yet a little while I am to be among you, and then I shall go to Him that sent me.
John 12:8
For the poor ye have always with you, but me ye have not always.
John 13:33
Little children, I am to be with you but a little while longer. Ye will wish for me, and as I said to the Jews, "Whither I go ye cannot come", so I now tell you.
John 16:7
Nevertheless I tell you the truth, it is expedient for you that I should go away; for if I go not away, the comforter will not come unto you; but if I depart, I will send Him unto you.
John 17:11
And as I am to be no longer in the world, but these are in the world, and I am coming to Thee, Holy Father, keep by thy name those whom Thou hast given me, that they may be one, as we are.
Acts 1:9
And having said these things, as they were looking upon Him, He was lifted up, and a cloud received Him out of their sight.
Acts 3:21
whom heaven must indeed receive till the times of settling all things, of which God hath spoken by the mouth of all his holy prophets from the beginning.

And

Acts 13:2
and as they were ministring to the Lord, and fasting, the holy Spirit said, Separate me Barnabas and Saul, for the work to which I have called them.
Acts 14:23
And when they had appointed them elders in every church, praying and fasting, they recommended them to the Lord, in whom they had believed.
1 Corinthians 7:5
Do not withdraw from one another, unless by consent for a season, that ye may attend to fasting and prayer: and come together again, least Satan tempt you through your incontinency.
2 Corinthians 6:5
in stripes, in imprisonments, in tumults, in labors, in watchings, in fastings;
2 Corinthians 11:27
in labor and toil, in watchings often, in hunger and thirst, in fastings often, in cold and nakedness: and beside these outward troubles,