Luke 3:4

as it is written in the book of the words of Isaiah the prophet: "The voice of one crying in the wilderness, Prepare the way of the Lord, make straight his paths!

John 1:23

He said, I am "a voice of one crying aloud in the wilderness, Make straight the way of the Lord," as said Isaiah the prophet.

Matthew 3:3

For this is he that was spoken of through Isaiah the prophet, saying, "The voice of one crying in the wilderness, Prepare the way of the Lord, make straight his paths!"

Mark 1:3

"The voice of one crying in the wilderness, Prepare the way of the Lord, make straight his paths!"

Luke 1:16-17

And many of the sons of Israel will he turn to the Lord their God.

Luke 1:76-79

And thou, child, shalt be called a prophet of the Most High; for thou shalt go in advance before the face of the Lord to prepare his ways,

John 1:7

He came as a witness, to bear witness of the light, that through him all might believe.

John 1:26-36

John answered them, saying, I baptize in water. There standeth one among you whom ye know not,

John 3:28-36

Ye yourselves bear me witness, that I said, I am not the Christ, but that I was sent before that man.

Treasury of Scripture Knowledge

Summary

As it is written in the book of the words of Esaias the prophet, saying, The voice of one crying in the wilderness, Prepare ye the way of the Lord, make his paths straight.

General references

Bible References

The voice

Matthew 3:3
For this is he that was spoken of through Isaiah the prophet, saying, "The voice of one crying in the wilderness, Prepare the way of the Lord, make straight his paths!"
Mark 1:3
"The voice of one crying in the wilderness, Prepare the way of the Lord, make straight his paths!"
John 1:23
He said, I am "a voice of one crying aloud in the wilderness, Make straight the way of the Lord," as said Isaiah the prophet.

Prepare

Luke 1:16
And many of the sons of Israel will he turn to the Lord their God.
John 1:7
He came as a witness, to bear witness of the light, that through him all might believe.
John 3:28
Ye yourselves bear me witness, that I said, I am not the Christ, but that I was sent before that man.

General references

Mark 1:3
"The voice of one crying in the wilderness, Prepare the way of the Lord, make straight his paths!"