Lawrence G. Lovasik (1999). “The Hidden Power of Kindness: A Practical Handbook for Souls who Dare to Transform the World, One Deed at a Time”, p.176, Sophia Institute Press
Lawrence G. Lovasik (1999). “The Hidden Power of Kindness: A Practical Handbook for Souls who Dare to Transform the World, One Deed at a Time”, p.15, Sophia Institute Press
"The Essential Rumi". Book translated by Coleman Barks with John Moyne, A. J. Arberry and Reynold Nicholson. Chapter 4: "Spring Giddiness", p. 46, 1995.