New Living Translation
John replied in the words of the prophet Isaiah: “I am a voice shouting in the wilderness, ‘Clear the way for the LORD’s coming!’”

American Standard Version
He said, I am the voice of one crying in the wilderness, Make straight the way of the Lord, as said Isaiah the prophet.

Berean Study Bible
John replied in the words of Isaiah the prophet: “I am a voice of one calling in the wilderness, ‘Make straight the way for the Lord.’ ”

Douay-Rheims Bible
He said: I am the voice of one crying out in the wilderness, make straight the way of the Lord, as said the prophet Isaias.

English Revised Version
He said, I am the voice of one crying in the wilderness, Make straight the way of the Lord, as said Isaiah the prophet.

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

World English Bible
He said, "I am the voice of one crying in the wilderness, 'Make straight the way of the Lord,' as Isaiah the prophet said."

Young's Literal Translation
He said, 'I am a voice of one crying in the wilderness: Make straight the way of the Lord, as said Isaiah the prophet.'

John 1:23 Additional Translations ...