They said to the woman, "Now we believe, not because of your speaking; for we have heard for ourselves, and know that this is indeed the Christ, the Savior of the world."
Now this can mean one of two things. Jesus baptized not, but His disciples, or, He only baptized His disciples; or, He didn't baptize at all, it was only His disciples who were baptizing. So, you have a choice. But when Jesus heard that the Pharisees had heard these things,