Mahatma Gandhi (1965). “Glorious Thoughts of Gandhi: Being a Treasury of about Ten Thousand Valuable and Inspiring Thougths of Mahatma Gandhi, Classified Under Four Hundred Subjects”
Bernie Brillstein, David Rensin (2004). “It's All Lies and That's the Truth: and 49 More Rules from 50 Years of Trying to Make a Living in Hollywood”, p.4, Penguin
Harry Emerson Fosdick (2008). “Answers to Real Problems: Harry Emerson Fosdick Speaks to Our Time: Selected Sermons of Harry Emerson Fosdick”, p.32, Wipf and Stock Publishers
Mahatma Gandhi (1965). “Glorious Thoughts of Gandhi: Being a Treasury of about Ten Thousand Valuable and Inspiring Thougths of Mahatma Gandhi, Classified Under Four Hundred Subjects”