Truth is awareness of God which a man savors in himself by means of the perception of the spiritual senses of the mind. The blossoming of spiritual knowledge is divine love, which arises from flaming intellections that are discovered by the spirit through prayer. Love is a fruit of prayer that, by prayer's divine vision, draws the mind insatiably toward that which it longs for when the mind patiently perseveres in prayer without wearying, whether it prays in a visible way, employing the body, or with the silent reflections of the understanding, diligently and with ardor.
Homily 66 (p. 470)