Abu Ala' al-Ma'arri, The Epistle of Forgiveness or Pardon to Enter the Garden: Volume One: A Vision of Heaven and Hell, preceded by Ibn al-Qarih's Epistle (Library of Arabic Literature), edited and translated from the Arabic by Geert Jan van Gelder & Gregor Schoeler (New York & London: New York U. Press, 2014).
Abu Ala' al-Ma'arri, The Epistle of Forgiveness or Pardon to Enter the Garden: Volume Two: Hypocrites, Heretics, and Other Sinners (Library of Arabic Literature), edited and translated from the Arabic by Geert Jan van Gelder & Gregor Schoeler (New York: & London: New York U. Press, 2014) ("Many an ascent to knowledge was ill-directed and has turned, without dispute, into an ascent to ignorance." Id. at 161.).