Revelation 4:1

After these things I saw, and behold, a door opened in heaven, and the first voice which I heard as of a trumpet speaking with me, saying, Come up here, and I will shew thee the things which must take place after these things.

Revelation 1:10

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

Revelation 1:19

Write therefore what thou hast seen, and the things that are, and the things that are about to be after these.

Revelation 11:12

And I heard a great voice out of the heaven saying to them, Come up here; 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 faithful and true; and the Lord God of the spirits of the prophets has sent his angel to shew to his bondmen the things which must soon come to pass.

Matthew 3:16

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

Mark 1:10

And straightway going up from the water, he saw the heavens parting asunder, and the Spirit, as a dove, descending upon him.

Luke 3:21

And it came to pass, all the people having been baptised, and Jesus having been baptised and praying, that the heaven was opened,

Acts 7:56

and said, Lo, I behold the heavens opened, and the Son of man standing at the right hand of God.

Acts 10:11

and he beholds the heaven opened, and a certain vessel descending, as a great sheet, bound by the four corners and let down to the earth;

Revelation 16:17

And the seventh poured out his bowl on the air; and there came out a great voice from the temple of the heaven, from the throne, saying, It is done.

Exodus 1:1

And these are the names of the sons of Israel who had come into Egypt; with Jacob had they come, each with his household:

Exodus 19:24

And Jehovah said to him, Go, descend, and thou shalt come up, thou, and Aaron with thee; but the priests and the people shall not break through to go up to Jehovah, lest he break forth on them.

Exodus 24:12

And Jehovah said to Moses, Come up to me into the mountain, and be there; and I will give thee the tables of stone, and the law, and the commandment that I have written, for their instruction.

Exodus 34:2-3

And be ready for the morning, and go up in the morning to mount Sinai, and stand there before me on the top of the mountain.

John 16:13

But when he is come, the Spirit of truth, he shall guide you into all the truth: for he shall not speak from himself; but whatsoever he shall hear he shall speak; and he will announce to you what is coming.

Revelation 1:1-3

Revelation of Jesus Christ, which God gave to him, to shew to his bondmen what must shortly take place; and he signified it, sending by his angel, to his bondman 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 had come into Egypt; with Jacob had they come, each with his household:
Matthew 3:16
And Jesus, having been baptised, went up straightway from the water, and lo, the heavens were opened to him, and he saw the Spirit of God descending as a dove, and coming upon him:
Mark 1:10
And straightway going up from the water, he saw the heavens parting asunder, and the Spirit, as a dove, descending upon him.
Luke 3:21
And it came to pass, all the people having been baptised, and Jesus having been baptised and praying, that the heaven was opened,
Acts 7:56
and said, Lo, I behold the heavens opened, and the Son of man standing at the right hand of God.
Acts 10:11
and he beholds the heaven opened, and a certain vessel descending, as a great sheet, bound by the four corners and let down to the earth;

The first

Revelation 1:10
I became in the Spirit on the Lord's day, and I heard behind me a great voice as of a trumpet,
Revelation 16:17
And the seventh poured out his bowl on the air; and there came out a great voice from the temple of the heaven, from the throne, saying, It is done.

And i

Revelation 1:19
Write therefore what thou hast seen, and the things that are, and the things that are about to be after these.
Revelation 22:6
And he said to me, These words are faithful and true; and the Lord God of the spirits of the prophets has sent his angel to shew to his bondmen the things which must soon come to pass.
John 16:13
But when he is come, the Spirit of truth, he shall guide you into all the truth: for he shall not speak from himself; but whatsoever he shall hear he shall speak; and he will announce to you what is coming.