"Aphorisms on man. Translated from the original manuscript of the Rev. John Caspar Lavater, citizen of Zuric. ; [One line from Juvenal]" by Johann Kaspar Lavater, 1790.
George Orwell, Peter Hobley Davison (2001). “Orwell and politics: Animal farm in the context of essays, reviews and letters selected from the complete works of George Orwell”, Penguin Modern Classics
Stephen R. Covey (1994). “Daily Reflections for Highly Effective People: Living THE SEVEN HABITS OF HIGHLY SUCCESSFUL PEOPLE Every Day”, p.5, Simon and Schuster