Then all the land of Judea, and those from Jerusalem, went out to him and were all baptized by him in the Jordan River, confessing their sins.
Mark 1:5
Surrounding context
1:4 John came baptizing in the wilderness and preaching a baptism of repentance for the remission of sins.
1:5 Then all the land of Judea, and those from Jerusalem, went out to him and were all baptized by him in the Jordan River, confessing their sins.
1:6 Now John was clothed with camel's hair and with a leather belt around his waist, and he ate locusts and wild honey.