Revelation 10:8

The voice which I heard from heaven, again speaking with me, said, "Go, take the book which is open in the hand of the angel who stands on the sea and on the land."

Isaiah 30:21

and when you turn to the right hand, and when you turn to the left, your ears will hear a voice behind you, saying, "This is the way. Walk in it."

Revelation 10:2

He had in his hand a little open book. He set his right foot on the sea, and his left on the land.

Revelation 10:4-5

When the seven thunders sounded, I was about to write; but I heard a voice from the sky saying, "Seal up the things which the seven thunders said, and don't write them."

Treasury of Scripture Knowledge

Summary

And the voice which I heard from heaven spake unto me again, and said, Go and take the little book which is open in the hand of the angel which standeth upon the sea and upon the earth.

Bible References

The voice

Revelation 10:4
When the seven thunders sounded, I was about to write; but I heard a voice from the sky saying, "Seal up the things which the seven thunders said, and don't write them."
Isaiah 30:21
and when you turn to the right hand, and when you turn to the left, your ears will hear a voice behind you, saying, "This is the way. Walk in it."