And he came into all the country about Jordan, preaching the baptism of repentance for the remission of sins; The baptism of repentance - See on Matthew 3:4-6 (note), and Mark 1:1 (note), etc., and Mark 16 (note) at the end.
Related Commentaries of Luke 3:3
Luke 3:3
3 And he came into all the country about Jordan, preaching the baptism of repentance for the remission of sins;