John answered them, saying, "I baptize with water, but there stands One among you whom you do not know.
John 1:26
Surrounding context
1:25 And they asked him, saying, "Why then do you baptize if you are not the Christ, nor Elijah, nor the Prophet?"
1:26 John answered them, saying, "I baptize with water, but there stands One among you whom you do not know.
1:27 It is He who, coming after me, is preferred before me, whose sandal strap I am not worthy to loose."