The Theory of Knowlege of St. Isaac the Syrian by Saint Justin Popovich

In the philosophy of St. Isaac, the problem of the nature of knowledge becomes an ontological and ethical problem which, in the last resort, is seen to be the problem of human personality.

The nature and character of knowledge depend ontologically, morally, and gnoseologically on the constitution of the human person, and especially on the constitution and state of its organs of knowledge.

In the person of the ascetic of faith, knowledge, of its very nature, turns into contemplation.

St Justin Popovich