Bible Verses About Warfare of Saints: With prayer

Unto the end, for the servant of God, David himself.

The unjust hath said within himself, that he would sin: there is no fear of God before his eyes.

For in his sight he hath done deceitfully, that his iniquity may be found unto hatred.

By all prayer and supplication praying at all times in the spirit: and in the same watching with all instance and supplication for all the saints: