Revelation 10:8

And the voice came to me again from heaven, saying, Go, take the book which is open in the hand of the angel who has his place on the sea and on the earth.

Isaiah 30:21

And at your back, when you are turning to the right hand or to the left, a voice will be sounding in your ears, saying, This is the way in which you are to go.

Revelation 10:2

And he had in his hand a little open book: and he put his right foot on the sea, and his left on the earth;

Revelation 10:4-5

And when the seven thunders had given out their voices, I was about to put their words down: and a voice from heaven came to my ears, saying, Keep secret the things which the seven thunders said, and do not put them in writing.

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
And when the seven thunders had given out their voices, I was about to put their words down: and a voice from heaven came to my ears, saying, Keep secret the things which the seven thunders said, and do not put them in writing.
Isaiah 30:21
And at your back, when you are turning to the right hand or to the left, a voice will be sounding in your ears, saying, This is the way in which you are to go.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain