“The Heart of Islam is God’s word, the Koran, which is the direct, written reflection of God’s Attribute of Speech or Word (Kalam). Since God’s Attributes are co-equal with God himself, the Moslems hold that the Koran in its essence exists eternally with God.”

The Sufi Path of Love: the Spiritual Teachings of Rumi, by Maulana Jalal al-Din Rumi and William C. Chittick, State University of New York Press, 1983, p. 268. ISBN 0-87395-724-5