Matthew 3:11
King James Version
“I indeed baptize you with water unto repentance: but he that cometh after me is mightier than I, whose shoes I am not worthy to bear: he shall baptize you with the Holy Ghost, and fire:”
Context
8Bring forth therefore fruits meet for repentance:
9And think not to say within yourselves, We have Abraham to father: for I say unto you, that God is able of these stones to raise up children unto Abraham.
10And now also the axe is laid unto the root of the trees: therefore every tree which bringeth not forth good fruit is hewn down, and cast into the fire.
11I indeed baptize you with water unto repentance: but he that cometh after me is mightier than I, whose shoes I am not worthy to bear: he shall baptize you with the Holy Ghost, and fire:
12Whose fan in his hand, and he will throughly purge his floor, and gather his wheat into the garner; but he will burn up the chaff with unquenchable fire.
13Then cometh Jesus from Galilee to Jordan unto John, to be baptized of him.
14But John forbad him, saying, I have need to be baptized of thee, and comest thou to me?