The Marvels of the Heart: Science of the Spirit (Second Hand - As good as new)The Marvels of the Heart: Science of the Spirit Al Ghazali Fons Vitae This is a classic Sufi manual on the 'science of the heart.' For Sufis, the 'heart' is more than a piece of flesh, it is the seat of the soul, and holds the key to the intimate relationship which exists between soul and body. Each heart, according to this traditional wisdom accumulated over centuries of spiritual practice and experience, possesses four qualities: predatory, animal,