People Quotes - Page 631
Mary Doria Russell (1996). “The Sparrow”, Random House
Mark Twain (2012). “Mark Twain at Your Fingertips: A Book of Quotations”, p.125, Courier Corporation
Marianne Williamson (1992). “A return to love: reflections on the principles of "A course in miracles"”
Marc Ostrofsky (2013). “Get Rich Click!: The Ultimate Guide to Making Money on the Internet”, p.54, Simon and Schuster
Zedong Mao (1972). “Quotations from Chairman Mao Tsetung”, p.273, China Books