Mark 1:14,15 (KJV)
14 Now after that John was put in prison, Jesus came into Galilee, preaching the gospel of the kingdom of God,
15 And saying, The time is fulfilled, and the kingdom of God is at hand: repent ye, and believe the gospel.
Mark 1
Jesus’s Ministry Began
Jesus asks that we repent and believe the gospel. That Jesus died for our sins on the cross and rose from the dead the third day.