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.

James 1:6

But he must ask with faith, and without any doubt, for the man who doubts is like the billowing sea, driven and blown about by the wind.

Matthew 9:2-6

Some people came bringing to him on a bed a man who was paralyzed. Seeing their faith, Jesus said to the man, "Courage, my son! Your sins are forgiven."

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."

Matthew 21:21-22

Jesus answered, "I tell you, if you have faith and have no doubt, you will not only do what I have done to the fig tree, but even if you say to this mountain, 'Get up and throw yourself into the sea,' it will be done.

Mark 2:5-11

When Jesus saw their faith, he said to the paralytic, "My son, your sins are forgiven."

Mark 11:22-24

Jesus answered and said to them, "Have faith in God!

Mark 16:17-18

And signs like these will attend those who believe: with my name they will drive out demons; they will speak in foreign tongues;

John 5:14

Afterward Jesus found him in the Temple, and said to him, "See! You are well again. Give up sin, or something worse may happen to you."

1 Corinthians 11:30-32

This is why many of you are sick and ill and a number have fallen asleep.

1 Corinthians 12:28-30

And God has placed people in the church, first as apostles, second as inspired preachers, third as teachers, then wonder-workers; then come ability to cure the sick, helpfulness, administration, ecstatic speaking.

James 5:13

If any one of you is in trouble, he should pray. If any one is in good spirits, he should sing a hymn.

James 5:16

So confess your sins to one another and pray for one another, so that you may be cured. An upright man can do a great deal by prayer when he tries.

1 John 5:14-16

And we have confidence in him, that if we ask him for anything that is in accordance with his will, he will listen to us.

Treasury of Scripture Knowledge

Summary

And the prayer of faith shall save the sick, and the Lord shall raise him up; and if he have committed sins, they shall be forgiven him.

Bible References

The prayer

James 5:13
If any one of you is in trouble, he should pray. If any one is in good spirits, he should sing a hymn.
James 1:6
But he must ask with faith, and without any doubt, for the man who doubts is like the billowing sea, driven and blown about by the wind.
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."
Matthew 21:21
Jesus answered, "I tell you, if you have faith and have no doubt, you will not only do what I have done to the fig tree, but even if you say to this mountain, 'Get up and throw yourself into the sea,' it will be done.
Mark 11:22
Jesus answered and said to them, "Have faith in God!
Mark 16:17
And signs like these will attend those who believe: with my name they will drive out demons; they will speak in foreign tongues;
1 Corinthians 12:28
And God has placed people in the church, first as apostles, second as inspired preachers, third as teachers, then wonder-workers; then come ability to cure the sick, helpfulness, administration, ecstatic speaking.

If he

Matthew 9:2
Some people came bringing to him on a bed a man who was paralyzed. Seeing their faith, Jesus said to the man, "Courage, my son! Your sins are forgiven."
Mark 2:5
When Jesus saw their faith, he said to the paralytic, "My son, your sins are forgiven."
John 5:14
Afterward Jesus found him in the Temple, and said to him, "See! You are well again. Give up sin, or something worse may happen to you."
1 Corinthians 11:30
This is why many of you are sick and ill and a number have fallen asleep.
1 John 5:14
And we have confidence in him, that if we ask him for anything that is in accordance with his will, he will listen to us.