150. Just as sight is the most worthy of the sense, so also is prayer the most divine of the virtues. - Evagrius Ponticus

Once there was a meeting at The Cells about some matter and Abba Evagrius spoke. The priest said to him: “Abba Evagrius, we know that if you were in your homeland you would probably have been a bishop and the head of many [clergy]; but now you are living here as an alien.”
He was pricked in his conscience but not disturbed. Nodding his head, he said to him: “It is true, father; nevertheless, ‘I have spoken once; I will add nothing the second time’” (Job 40:5).

60. If you are a theologian, you truly pray. If you truly pray, you are a theologian.

83. The singing of Psalms quiets the passions and calms the intemperance of the body. Prayer, on the other hand, prepares the spirit to put its own powers into operation.