The incessant invocation of God's Name, is a medicine which mortifies not just the passions, but even their influence. Just as the physician puts medications or dressings on a wound that it might be healed, without the patient even knowing the manner of their operation, so also the Name of God, when we invoke it, mortifies all passions, though we do not know how that happens.
St. Barsanuphius the Great, Answer 422.