Jesus' baptism was the start of His public ministry. He had identified Himself with sinners and prophetically demonstrated that He would bear their sins.
Jesus faced Satan's third temptation, to be seen as earth's King, without the sufferings of crucifixion. The devil’s condition was for Jesus to bow down and worship him, just once.
Matthew wasted no time in giving an overview of the Gospel ministry of Jesus. He ministered personally: He travelled throughout the province of Galilee.