Contradiction with Jeremiah 31:34
This verse promises that all will know the Lord, contradicting any doubt or uncertainty about recognizing the Messiah, as suggested by the people's questioning in Luke 3:15.
Jeremiah 31:34: And they shall teach no more every man his neighbour, and every man his brother, saying, Know the LORD: for they shall all know me, from the least of them unto the greatest of them, saith the LORD: for I will forgive their iniquity, and I will remember their sin no more.
Contradiction with John 7:27
This verse mentions that people knew where Jesus came from, contradicting the expectation of not knowing the Messiah's origin as implied in Luke 3:15.
John 7:27: Howbeit we know this man whence he is: but when Christ cometh, no man knoweth whence he is.
Contradiction with Matthew 16:16
Peter's declaration that Jesus is the Christ contrasts with the doubt and questioning in Luke 3:15 about John possibly being the Christ.
Matthew 16:16: And Simon Peter answered and said, Thou art the Christ, the Son of the living God.
Contradiction with John 1:20
John the Baptist explicitly denies being the Christ, clarifying any ambiguity, in contrast to the people's speculation in Luke 3:15.
John 1:20: And he confessed, and denied not; but confessed, I am not the Christ.
Contradiction with 1 John 5:20
This verse unequivocally identifies Jesus as the true God and eternal life, resolving the uncertainty about the Messiah in Luke 3:15.
1 John 5:20: And we know that the Son of God is come, and hath given us an understanding, that we may know him that is true, and we are in him that is true, [even] in his Son Jesus Christ. This is the true God, and eternal life.