Mark 9:29

He answered them, "This sort of thing can be driven out only by prayer."

Matthew 12:45

"Then it goes and gets seven other spirits more wicked than itself, and they go in and make their home there, and so the end of that man is worse than the beginning. This is the way it will be with the wicked leaders of this age."

Matthew 17:20

He answered them, "Because you have so little faith! For I solemnly say to you, if you have the faith that is living like a grain of mustard, you can say to this mountain, 'Move over from here to yonder,' and it will move over, and nothing will be impossible for you to do."

Luke 11:26

Then it goes and gets seven other spirits more wicked than itself, and they go in and make their home there, and so the end of that man is worse than the beginning."

Acts 9:40-41

Then Peter put them all out of the room, knelt down and prayed, and, turning to the body, said, "Tabitha, get up!" Then she opened her eyes, and when she saw Peter, she sat up.

Acts 14:23

They helped them select elders in each church, and after praying and fasting they committed them to the Lord in whom they had believed.

1 Corinthians 9:27

But I keep on beating and bruising my body and making it my slave, so that I, after I have summoned others to the race, may not myself become unfit to run.

2 Corinthians 6:5

in floggings, imprisonments, riots, labors, sleepless nights, and hunger;

2 Corinthians 11:27

through toil and hardship, through many a sleepless night, through hunger and thirst, through many a fasting season, poorly clad and exposed to cold.

2 Corinthians 12:8

Three times I begged the Lord about this to make it go away and leave me,

Ephesians 6:18

Keep on praying in the Spirit, with every kind of prayer and entreaty, at every opportunity, be ever on the alert with perfect devotion and entreaty for all God's people,

James 5:15

and the prayer that is offered in faith will save the sick man; the Lord will raise him to health, and if he has committed sins, he will be forgiven.

Treasury of Scripture Knowledge

Summary

And he said unto them, This kind can come forth by nothing, but by prayer and fasting.

Bible References

This

Matthew 12:45
"Then it goes and gets seven other spirits more wicked than itself, and they go in and make their home there, and so the end of that man is worse than the beginning. This is the way it will be with the wicked leaders of this age."
Luke 11:26
Then it goes and gets seven other spirits more wicked than itself, and they go in and make their home there, and so the end of that man is worse than the beginning."

By prayer

Matthew 17:21
Omitted Text.
Acts 9:40
Then Peter put them all out of the room, knelt down and prayed, and, turning to the body, said, "Tabitha, get up!" Then she opened her eyes, and when she saw Peter, she sat up.
2 Corinthians 12:8
Three times I begged the Lord about this to make it go away and leave me,
Ephesians 6:18
Keep on praying in the Spirit, with every kind of prayer and entreaty, at every opportunity, be ever on the alert with perfect devotion and entreaty for all God's people,
James 5:15
and the prayer that is offered in faith will save the sick man; the Lord will raise him to health, and if he has committed sins, he will be forgiven.

Fasting

Acts 14:23
They helped them select elders in each church, and after praying and fasting they committed them to the Lord in whom they had believed.
1 Corinthians 9:27
But I keep on beating and bruising my body and making it my slave, so that I, after I have summoned others to the race, may not myself become unfit to run.
2 Corinthians 6:5
in floggings, imprisonments, riots, labors, sleepless nights, and hunger;
2 Corinthians 11:27
through toil and hardship, through many a sleepless night, through hunger and thirst, through many a fasting season, poorly clad and exposed to cold.