James 5:16 in the King James Version
Confess your faults one to another, and pray one for another, that ye may be healed. The effectual fervent prayer of a righteous man availeth much.
Context
15 and the prayer of faith will heal him who is sick, and the Lord will raise him up. If he has committed sins, he will be forgiven.
16 Confess your sins to one another and pray for one another, that you may be healed. The insistent prayer of a righteous person is powerfully effective.
17 Elijah was a man with a nature like ours, and he prayed earnestly that it might not rain, and it didn’t rain on the earth for three years and six months.