Revelation 4:1

After these things I saw, and lo, a door opened in the heaven, and the first voice that I heard is as of a trumpet speaking with me, saying, 'Come up hither, and I will shew thee what it behoveth to come to pass after these things;'

Revelation 1:10

I was in the Spirit on the Lord's-day, and I heard behind me a great voice, as of a trumpet, saying,

Revelation 1:19

'Write the things that thou hast seen, and the things that are, and the things that are about to come after these things;

Revelation 11:12

and they heard a great voice out of the heaven saying to them, 'Come up hither;' and they went up to the heaven in the cloud, and their enemies beheld them;

Revelation 22:6

And he said to me, 'These words are stedfast and true, and the Lord God of the holy prophets did send His messenger to shew to His servants the things that it behoveth to come quickly:

Matthew 3:16

And having been baptized, Jesus went up immediately from the water, and lo, opened to him were the heavens, and he saw the Spirit of God descending as a dove, and coming upon him,

Mark 1:10

and immediately coming up from the water, he saw the heavens dividing, and the Spirit as a dove coming down upon him;

Luke 3:21

And it came to pass, in all the people being baptised, Jesus also being baptised, and praying, the heaven was opened,

Acts 7:56

and he said, 'Lo, I see the heavens having been opened, and the Son of Man standing on the right hand of God.'

Acts 10:11

and he doth behold the heaven opened, and descending unto him a certain vessel, as a great sheet, bound at the four corners, and let down upon the earth,

Revelation 16:17

And the seventh messenger did pour out his vial to the air, and there came forth a great voice from the sanctuary of the heaven, from the throne, saying, 'It hath come!'

Exodus 1:1

And these are the names of the sons of Israel who are coming into Egypt with Jacob; a man and his household have they come;

Exodus 19:24

And Jehovah saith unto him, 'Go, descend, then thou hast come up, thou, and Aaron with thee; and the priests and the people do not break through, to come up unto Jehovah, lest He break forth upon them.'

Exodus 24:12

And Jehovah saith unto Moses, 'Come up unto Me to the mount, and be there, and I give to thee the tables of stone, and the law, and the command, which I have written to direct them.'

Exodus 34:2-3

and be prepared at morning, and thou hast come up in the morning unto mount Sinai, and hast stood before Me there, on the top of the mount,

John 16:13

and when He may come -- the Spirit of truth -- He will guide you to all the truth, for He will not speak from Himself, but as many things as He will hear He will speak, and the coming things He will tell you;

Revelation 1:1-3

A revelation of Jesus Christ, that God gave to him, to shew to his servants what things it behoveth to come to pass quickly; and he did signify it, having sent through his messenger to his servant John,

Treasury of Scripture Knowledge

Summary

After this I looked, and, behold, a door was opened in heaven: and the first voice which I heard was as it were of a trumpet talking with me; which said, Come up hither, and I will shew thee things which must be hereafter.

Bible References

A door

Exodus 1:1
And these are the names of the sons of Israel who are coming into Egypt with Jacob; a man and his household have they come;
Matthew 3:16
And having been baptized, Jesus went up immediately from the water, and lo, opened to him were the heavens, and he saw the Spirit of God descending as a dove, and coming upon him,
Mark 1:10
and immediately coming up from the water, he saw the heavens dividing, and the Spirit as a dove coming down upon him;
Luke 3:21
And it came to pass, in all the people being baptised, Jesus also being baptised, and praying, the heaven was opened,
Acts 7:56
and he said, 'Lo, I see the heavens having been opened, and the Son of Man standing on the right hand of God.'
Acts 10:11
and he doth behold the heaven opened, and descending unto him a certain vessel, as a great sheet, bound at the four corners, and let down upon the earth,

The first

Revelation 1:10
I was in the Spirit on the Lord's-day, and I heard behind me a great voice, as of a trumpet, saying,
Revelation 16:17
And the seventh messenger did pour out his vial to the air, and there came forth a great voice from the sanctuary of the heaven, from the throne, saying, 'It hath come!'

And i

Revelation 1:19
'Write the things that thou hast seen, and the things that are, and the things that are about to come after these things;
Revelation 22:6
And he said to me, 'These words are stedfast and true, and the Lord God of the holy prophets did send His messenger to shew to His servants the things that it behoveth to come quickly:
John 16:13
and when He may come -- the Spirit of truth -- He will guide you to all the truth, for He will not speak from Himself, but as many things as He will hear He will speak, and the coming things He will tell you;