Mark 9:29

He said to them, "This kind 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 live there, and in the end the man is worse off than he was before. That is the way it will be with this present wicked age."

Matthew 17:20

He said to them, "Because you have so little faith. For I tell you, if you have faith the size of a grain of mustard, you can say to this mountain, 'Move from here over to there!' and it will move, and nothing will be impossible for you."

Luke 11:26

Then it goes and gets seven other spirits more wicked than itself, and they go in and live there, and in the end the man is worse off than he was before."

Acts 9:40-41

But Peter put them all out of the room. Then he knelt down and prayed, and then turning to the body he said, "Tabitha, stand up!" She opened her eyes, and seeing Peter, she sat up.

Acts 14:23

They appointed elders for them in each church, and with prayer and fasting they committed them to the Lord in whom they had believed.

1 Corinthians 9:27

But I beat and bruise my body and make it my slave, so that after I have called others to the contest I may not be disqualified myself.

2 Corinthians 6:5

beatings, imprisonments, riots, labors, sleepless nights, and hunger,

2 Corinthians 11:27

through toil and hardship, through many a sleepless night, through hunger and thirst, often without food, and exposed to cold.

2 Corinthians 12:8

Three times I have prayed to the Lord about this, begging that it might leave me,

Ephesians 6:18

Use every kind of prayer and entreaty, and at every opportunity pray in the Spirit. Be on the alert about it; devote yourselves constantly to prayer for all God's people

James 5:15

and the prayer offered in faith will save the sick man; the Lord will restore 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 live there, and in the end the man is worse off than he was before. That is the way it will be with this present wicked age."
Luke 11:26
Then it goes and gets seven other spirits more wicked than itself, and they go in and live there, and in the end the man is worse off than he was before."

By prayer

Matthew 17:21
OMITTED TEXT
Acts 9:40
But Peter put them all out of the room. Then he knelt down and prayed, and then turning to the body he said, "Tabitha, stand up!" She opened her eyes, and seeing Peter, she sat up.
2 Corinthians 12:8
Three times I have prayed to the Lord about this, begging that it might leave me,
Ephesians 6:18
Use every kind of prayer and entreaty, and at every opportunity pray in the Spirit. Be on the alert about it; devote yourselves constantly to prayer for all God's people
James 5:15
and the prayer offered in faith will save the sick man; the Lord will restore him to health, and if he has committed sins, he will be forgiven.

Fasting

Acts 14:23
They appointed elders for them in each church, and with prayer and fasting they committed them to the Lord in whom they had believed.
1 Corinthians 9:27
But I beat and bruise my body and make it my slave, so that after I have called others to the contest I may not be disqualified myself.
2 Corinthians 6:5
beatings, imprisonments, riots, labors, sleepless nights, and hunger,
2 Corinthians 11:27
through toil and hardship, through many a sleepless night, through hunger and thirst, often without food, and exposed to cold.