Mark 3:15

13 And he goeth up into a mountain, and calleth unto him whom he would: and they came unto him.

14 And he ordained twelve, that they should be with him, and that he might send them forth to preach,

And to have power to heal sicknesses, and to cast out devils:

16 And Simon he surnamed Peter;

17 And James the son of Zebedee, and John the brother of James; and he surnamed them Boanerges, which is, The sons of thunder:

Here the Bible tells a story about someone else. Ask yourself what it can say to us today. Do read the surrounding verses too, because the context often says more than a single verse.

Compare

BSB
and to have authority to drive out demons.
KJV
And to have power to heal sicknesses, and to cast out devils:
WEB
and to have authority to heal sicknesses and to cast out demons:
ASV
and to have authority to cast out demons:
DARBY
and to have power [to heal diseases, and] to cast out demons.
BLB
and to have authority to cast out demons.
ÅB
og ha makt til å drive ut de onde ånder,
OTB
og ha fullmakt til å drive ut demoner.
B1930
og ha makt til å drive ut de onde ånder,

Study notes (Tyndale)

Original text and word study