We are too busy to pray, and so we are too busy to have power. We have a great deal of activity, but we accomplish little; many services but few conversions; much machinery but few results. (R.A. Torrey)

We are ill-taught if we look for results only in the earthlies when we pray. A praying saint performs far more havoc among the unseen forces of darkness than we have the slightest notion of.  (Oswald Chambers)

Prayer is the most important thing in my life. If I should neglect prayer for a single day,
I should lose a great deal of the fire of faith. (Martin Luther)

Prayer is not monologue, but dialogue. God’s voice in response to mine is its most essential part. (Andrew Murray)

Prayer is not merely an occasional impulse to which we respond when we are in trouble: prayer is a life attitude. (Walter A. Mueller)