James 5:15

the prayer that proceeds from faith, shall save the sick; the Lord will raise him up, and his sins that may have been the occasion, shall be forgiven.

James 1:6

but let him be fully persuaded of the lawfulness of what he asks: for he that is diffident about that, is like the waves that fluctuate with the wind.

Matthew 9:2-6

where they brought a man on a bed, lying sick of the palsy: and Jesus perceiving their faith, said to the paralytic, take courage, my son, thy sins are forgiven.

Matthew 17:20

because of your incredulity, said Jesus: for I tell you truly, if ye had ever so little faith, ye might say to this mountain, remove hence to yonder place, and it should remove; and nothing would be too difficult for you.

Matthew 21:21-22

Jesus answered them, I declare to you, if ye have a full assurance of faith, ye shall not only be able to do this to a fig-tree, but if ye should even say to this mountain, be thou removed, and cast into the sea; it should be done.

Mark 2:5-11

Jesus perceiving their faith, said to the sick of the palsy, son, thy sins are forgiven.

Mark 11:22-24

but Jesus replied, and said to them, rely upon God.

Mark 16:17-18

they that believe shall be endued with these miraculous gifts: in my name they shall cast out demons: they shall speak new languages:

John 5:14

sometime after Jesus met him in the temple, and said to him, you see you were cured: sin no more, lest you suffer something worse.

1 Corinthians 11:30-32

hence it is, that many are weak and sickly among you, and no small number now sleep in their graves.

1 Corinthians 12:28-30

which God has placed in the church, first apostles, next prophets, then teachers, after that miracles, then gifts of healings, assistants, governours, interpreters of languages.

James 5:13

Is any among you afflicted? let him pray. is his mind serene? let him sing psalms.

James 5:16

confess then to one another the offences you have committed, and pray for one another, that you may be healed; the fervent prayer of a virtuous man has great influence.

1 John 5:14-16

Besides, we have this confidence in him, that if we ask any thing according to his will, he will hear 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
Is any among you afflicted? let him pray. is his mind serene? let him sing psalms.
James 1:6
but let him be fully persuaded of the lawfulness of what he asks: for he that is diffident about that, is like the waves that fluctuate with the wind.
Matthew 17:20
because of your incredulity, said Jesus: for I tell you truly, if ye had ever so little faith, ye might say to this mountain, remove hence to yonder place, and it should remove; and nothing would be too difficult for you.
Matthew 21:21
Jesus answered them, I declare to you, if ye have a full assurance of faith, ye shall not only be able to do this to a fig-tree, but if ye should even say to this mountain, be thou removed, and cast into the sea; it should be done.
Mark 11:22
but Jesus replied, and said to them, rely upon God.
Mark 16:17
they that believe shall be endued with these miraculous gifts: in my name they shall cast out demons: they shall speak new languages:
1 Corinthians 12:28
which God has placed in the church, first apostles, next prophets, then teachers, after that miracles, then gifts of healings, assistants, governours, interpreters of languages.

If he

Matthew 9:2
where they brought a man on a bed, lying sick of the palsy: and Jesus perceiving their faith, said to the paralytic, take courage, my son, thy sins are forgiven.
Mark 2:5
Jesus perceiving their faith, said to the sick of the palsy, son, thy sins are forgiven.
John 5:14
sometime after Jesus met him in the temple, and said to him, you see you were cured: sin no more, lest you suffer something worse.
1 Corinthians 11:30
hence it is, that many are weak and sickly among you, and no small number now sleep in their graves.
1 John 5:14
Besides, we have this confidence in him, that if we ask any thing according to his will, he will hear us.