Mark 1:4

1:4 In the wilderness John the baptizer began preaching a baptism of repentance for the forgiveness of sins.

Mark 1:38-39

1:38 He replied, “Let us go elsewhere, into the surrounding villages, so that I can preach there too. For that is what I came out here to do.” 1:39 So he went into all of Galilee preaching in their synagogues and casting out demons.

Mark 3:14

3:14 He appointed twelve (whom he named apostles), so that they would be with him and he could send them to preach

Mark 7:36

7:36 Jesus ordered them not to tell anything. But as much as he ordered them not to do this, they proclaimed it all the more.

Mark 16:15

16:15 He said to them, “Go into all the world and preach the gospel to every creature.