Mark 1:5-8

5 And there went out to him all the land of Judaea, and they of Jerusalem, and were all baptized of him in the river of Jordan, confessing their sins.

6 And John was clothed with camel's hair, and with a girdle of a skin about his loins; and he did eat locusts and wild honey;

7 And preached, saying, There comes one mightier than I after me, the lace of whose shoes I am not worthy to stoop down and unloose.

8 I indeed have baptized you with water: but he shall baptize you with the Holy Ghost.