Then he called his twelve disciples together, and gave them power and authority over all devils, and to cure diseases.

And the seventy returned again with joy, saying, Lord, even the devils are subject unto us through thy name.

Behold, I give unto you power to tread on serpents and scorpions, and over all the power of the enemy: and nothing shall by any means hurt you.

And Gehazi passed on before them, and laid the staff upon the face of the child; but there was neither voice, nor hearing. Wherefore he went again to meet him, and told him, saying, The child is not awaked.

And Jesus said unto them, Because of your unbelief: for verily I say unto you, If ye have faith as a grain of mustard seed, ye shall say unto this mountain, Remove hence to yonder place; and it shall remove; and nothing shall be impossible unto you.

Howbeit this kind goeth not out but by prayer and fasting.

Then certain of the vagabond Jews, exorcists, took upon them to call over them which had evil spirits the name of the Lord Jesus, saying, We adjure you by Jesus whom Paul preacheth.

And the evil spirit answered and said, Jesus I know, and Paul I know; but who are ye?