He may meanwhile be sure of its existence, both by experience and by what he hears the Sufis say. As there are men endowed only with the sensitive faculty who reject what is offered them in the way of objects of the pure understanding, so there are intellectual men who reject and avoid the things perceived by the prophetic faculty. A blind man can understand nothing of colors save what he has learned by narration and hearsay. Yet God has brought prophetism near to men in giving them all a state analogous to it in its principal characters. This state is sleep. If you were to tell a man who was himself without experience of such a phenomenon that there are people who at times swoon away so as to resemble dead men, and who [in dreams] yet perceive things that are hidden, he would deny it [and give his reasons]. Nevertheless, his arguments would be refuted by actual experience. Wherefore, just as the understanding is a stage of human life in which an eye opens to discern various intellectual objects uncomprehended by sensation; just so in the prophetic the sight is illumined by a light which uncovers hidden things and objects which the intellect fails to reach. The chief properties of prophetism are perceptible only during the transport, by those who embrace the Sufi life. The prophet is endowed with qualities to which you possess nothing analogous, and which consequently you cannot possibly understand. How should you know their true nature, since one knows only what one can comprehend? But the transport which one attains by the method of the Sufis is like an immediate perception, as if one touched the objects with one’s hand.”
This incommunicableness of the transport is the keynote of all mysticism. Mystical truth exists for the individual who has the transport,