Mark 5:17-20 King James Version (KJV)
17 And they began to pray him to depart out of their coasts.
18 And when he was come into the ship, he that had been possessed with the devil prayed him that he might be with him.
19 Howbeit Jesus suffered him not, but saith unto him, Go home to thy friends, and tell them how great things the Lord hath done for thee, and hath had compassion on thee.
20 And he departed, and began to publish in Decapolis how great things Jesus had done for him: and all men did marvel.
Mark 5:17-20 Amplified Bible, Classic Edition (AMPC)
17 And they began to beg [Jesus] to leave their neighborhood.
18 And when He had stepped into the boat, the man who had been controlled by the unclean spirits kept begging Him that he might be with Him.
19 But Jesus refused to permit him, but said to him, Go home to your own [family and relatives and friends] and bring back word to them of how much the Lord has done for you, and [how He has] had sympathy for you and mercy on you.
20 And he departed and began to publicly proclaim in Decapolis [the region of the ten cities] how much Jesus had done for him, and all the people were astonished and marveled.