Mar 1:21. Εὐθέως, immediately [straightway]) Mark delights in this adverb. It has the effect of beautifully characterizing, especially in the first and second chapters, the rapid career of Christ, who was ever tending towards the goal, and the opportunities rapidly presented to Him, and His rapid successes. The Saviour did not in His acts proceed tardily. The particle πάλιν, again, which is frequently found in Mark, has a similar force.
 Καὶ εἰσπορεύονται, and they enter) Luke, in the parallel passage, ch. Mar 4:31, has καὶ κατῆλθεν, and He came down to. Nazareth no doubt was in a rather elevated position; Capernaum more in a hollow, towards the sea. Those particulars which Mark, in this passage, and Matthew, ch. Mat 4:13, record as to the city of Capernaum, Luke combines together in the passage quoted from him [viz. the coming to Capernaum on the sea-coast, peculiar to Matthew, Mat 4:13-and the teaching in the synagogue on the Sabbath, peculiar to Mark.-ED.]-Harm., p. 235.