Metanoia (Repentance): A Major Theme of the Gospel of Matthew

Matthew describes the beginning of Jesus's ministry with the summary words, "e;?eta??e?te (repent/turn), for the kingdom of heaven is at hand"e; (3:2; 4:17). Why does Matthew use this command, ?eta??e?te, at the beginning of his ministry, and how does it relate to the rest of the Gospel? What do ?eta??e? and ?eta???a mean? Scholars have stated that ?eta??e? in 4:17 has critical value for understan...