Luke 2:37
though she was now a widow, of about eighty-four years, who departed not from the temple, attending the divine service, with fastings and prayers night and day:
Acts 10:30
Then Cornelius said, Four days ago I was fasting till this hour; and at the ninth hour I was praying in my house, and, lo! a man stood before me in shining apparel,
James 4:8-10
Draw nigh to God, and he will draw nigh to you. Make clean your hands, ye sinners; and purify your hearts, ye double-minded.
James 5:16-18
Confess your offences one to another, and pray for one another, that ye may be healed. The energetic prayer of a righteous man is mightily prevalent.