“As Thomas Merton correctly observes, “Sufism looks at man as a heart. . . . The heart is the faculty by which man knows God”, and so the supreme aim in Sufism is nothing else than “to develop a heart that knows God”. In the words of Rumi, “I have looked into my own heart; it is there that I have seen Him; He was nowhere else.” This leads Martin Lings to observe in his book What is Sufism?, “What indeed is Sufism, subjectively speaking, if not ‘heart-wakefulness’?”. Illustrating this, he quotes al-Hallâj: “I saw my Lord with the Eye of the Heart.” The Hesychast tradition of the Orthodox Church, for its part, speaks repeatedly of “prayer of the heart”, of the “discovery of the place of the heart”, of the “descent from the head to the heart”, and of the “union of the intellect (nous) with the heart”. (p. 5) – Kallistos Ware, Chapter 1: How Do We Enter the Heart?” SufismGnosisPerennial PhilosophyThomas MertonWisdom Of The HeartThe Christian Mystical TraditionThe Eye Of The HeartKallistos Ware Book:Paths to the Heart: Sufism and the Christian East Source: Paths to the Heart: Sufism and the Christian East