Acts 19:4
"Then said Paul, John verily baptized with the baptism of repentance, saying unto the people, that they should believe on him which should come after him, that is, on Christ Jesus."
Cross References (ranked by relevance)
Then remembered I the word of the Lord, how that he said, John indeed baptized with water; but ye shall be baptized with the Holy Ghost.
For John truly baptized with water; but ye shall be baptized with the Holy Ghost not many days hence.
The same came for a witness, to bear witness of the Light, that all men through him might believe.
He it is, who coming after me is preferred before me, whose shoe’s latchet I am not worthy to unloose.
John bare witness of him, and cried, saying, This was he of whom I spake, He that cometh after me is preferred before me: for he was before me.