Mark 9:29
And he said to them, "This kind cannot be driven out by anything but prayer."
1 Kings 17:20-21
And he cried to the LORD, "O LORD my God, have you brought calamity even upon the widow with whom I sojourn, by killing her son?"
Daniel 9:3
Then I turned my face to the Lord God, seeking him by prayer and pleas for mercy with fasting and sackcloth and ashes.
Matthew 12:45
Then it goes and brings with it seven other spirits more evil than itself, and they enter and dwell there, and the last state of that person is worse than the first. So also will it be with this evil generation."
Acts 13:2-3
While they were worshiping the Lord and fasting, the Holy Spirit said, "Set apart for me Barnabas and Saul for the work to which I have called them."
Acts 14:23
And when they had appointed elders for them in every church, with prayer and fasting they committed them to the Lord in whom they had believed.
1 Corinthians 7:5
Do not deprive one another, except perhaps by agreement for a limited time, that you may devote yourselves to prayer; but then come together again, so that Satan may not tempt you because of your lack of self-control.
2 Corinthians 11:27
in toil and hardship, through many a sleepless night, in hunger and thirst, often without food, in cold and exposure.
Ephesians 6:18
praying at all times in the Spirit, with all prayer and supplication. To that end keep alert with all perseverance, making supplication for all the saints,