John 1:23

and he said, I am the voice of one crying in the wilderness, "Make straight the way of the Lord," according to Esaias the prophet.

Matthew 3:3

for this is He who was spoken of by Esaias the prophet, saying, The voice of one crying in the desert, "Prepare ye the way of the Lord, make his paths straight."

Mark 1:3

and again, "The voice of one crying in the wilderness, Prepare ye the way of the Lord, make his paths straight:" accordingly John came baptizing in the wilderness,

Luke 1:16-17

and many of the children of Israel shall he convert unto the Lord their God.

Luke 1:76-79

And thou, my child, shalt be called the prophet of the most High; for thou shalt go before the face of the Lord,

Luke 3:4-6

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

John 3:28

Ye your selves bear me witness, that I said, I am not the Christ, but am sent before Him.

Treasury of Scripture Knowledge

Summary

He said, I am the voice of one crying in the wilderness, Make straight the way of the Lord, as said the prophet Esaias.

General references

Bible References

I am

John 3:28
Ye your selves bear me witness, that I said, I am not the Christ, but am sent before Him.
Matthew 3:3
for this is He who was spoken of by Esaias the prophet, saying, The voice of one crying in the desert, "Prepare ye the way of the Lord, make his paths straight."
Mark 1:3
and again, "The voice of one crying in the wilderness, Prepare ye the way of the Lord, make his paths straight:" accordingly John came baptizing in the wilderness,
Luke 1:16
and many of the children of Israel shall he convert unto the Lord their God.
Luke 3:4
as it is written in the book 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

Matthew 11:10
For this is he, of whom it is written, "Behold I send my messenger before thy face, who shall prepare thy way before thee."