20 He answered, "Because of your little faith [your lack of trust and confidence in the power of God]; for I assure you and most solemnly say to you, *17:20 Jesus used this moment to emphasize to the disciples that a person’s confident, abiding faith combined with God’s power can produce absolutely amazing results, if the request is in harmony with God’s will. God is fully capable of doing that which man regards as impossible (Mark 14:36; James 4:3).if you have [living] faith the size of a mustard seed, you will say to this mountain, ‘Move from here to there,’ and [if it is God’s will] it will move; and nothing will be impossible for you. [Mark 11:23; Luke 17:6; 1 John 5:14] 21 *17:21 Early mss do not contain this verse.[But this kind of demon does not go out except by prayer and fasting.]"