Religious literature
The Quran. c. 630, 1:1.
The Quran, translated by M. A. S. Abdel Haleem. Oxford University Press, 2005, ch. 1.
Keqin, Yuanwu. 碧巖錄 [The Blue Cliff Record]. c. 1125.
Seng Ts'an. Xinxin Ming. c. 600.
Seng Ts'an. Hsin-Hsin Ming: Verses on the Faith-Mind, translated by Richard B. Clarke. White Pine Press, 2001.
Milton, John. Paradise Lost. Samuel Simmons, 1667, bk. 10, I. 550.
Milton, John. "Paradise Lost." John Milton: Major Works, edited by Stephen Orgel and Jonathan Goldberg. Oxford University Press, 2008, bk. 11, I. 553.
Alighieri, Dante. "Paradiso [Paradise]." La Comedia di Dante Alleghieri [The Divine Comedy by Dante Alighieri]. Foligno: Johann Numeister and Evangelista Angelini da Trevi, 1472.
Alighieri, Dante. "Paradiso." The Divine Comedy, edited by David H. Higgins, translated by C. H. Sisson. Oxford University Press, 2008.
Milton, John. "Paradise Regained." Paradise Regained, A Poem in 4 Books, to which is added Samson Agonistes. London: John Starkey, 1671, bk. 4, I. 220.
Milton, John. "Paradise Regained." John Milton: Major Works, edited by Stephen Orgel and Jonathan Goldberg. Oxford University Press, 2008, bk. 4, I. 220.
A Kempis, Thomas. De Imitatione Christi [The Imitation of Christ]. c. 1427.
A Kempis, Thomas. The Complete Imitation of Christ, translated by John Julian. Paraclete Press, 2012.
The Quran. c. 630, 2:256.
The Quran, translated by M. A. S. Abdel Haleem. Oxford University Press, 2005, ch. 2.
Milton, John. Paradise Lost. London: Samuel Simmons, 1667, bk. 8, I. 914.
"Paradise Lost." John Milton: Major Works, edited by Stephen Orgel and Jonathan Goldberg. Oxford University Press, 2008, bk. 9, I. 914.
A Kempis, Thomas. De Imitatione Christi [The Imitation of Christ]. c. 1418, bk. 2, ch. 6.
A Kempis, Thomas. The Complete Imitation of Christ, translated by John Julian. Paraclete Press, 2012.
Vyasa. The Bhagavad Gita. c. 200 BCE, ch. 11, v. 32.
Vyasa. The Bhagavad Gita, translated W. J. Johnson. Oxford University Press, 2009, ch. 11, v. 32.
Milton, John. Paradise Lost. London: Samuel Simmons, 1667, bk. 1, I. 254.
"Paradise Lost." John Milton: Major Works, edited by Stephen Orgel and Jonathan Goldberg. Oxford University Press, 2008, bk. 1, I. 254.