Mark 3:13

10 for he had healed many, so that all who had diseases pressed around him to touch him. 11 And whenever the unclean spirits saw him, they fell down before him and cried out, “You are the Son of God.” 12 And he strictly ordered them not to make him known.

13 And he went up on the mountain and called to him those whom he desired, and they came to him. 14 And he appointed twelve (whom he also named apostles) so that they might be with him and he might send them out to preach 15 and have authority to cast out demons. 16 He appointed the twelve: Simon (to whom he gave the name Peter);