Osho, Rajneesh (Bhagwan Shree), Yoga Rabiya (Ma.), Ananda Vandana (Ma.), Prem Pankaja (Ma.) (1978). “The Discipline of Transcendence: Discourses on the Forty-two Sutras of Buddha”
Sylvia Boorstein, Ph.D. (2007). “Pay Attention, for Goodness' Sake: Practicing the Perfections of the Heart--The Buddhist Path of Kindness”, p.20, Ballantine Books