114. "Humanity has made little real progress over the past century or so. Technological innovations have taken place, but the overall condition of humanity is no better. War, violence and poverty are still with us. Technology cannot change the condition of humanity."
202. "Unlike great thinkers and great artists, the most effective political leaders must often yield to public opinion and abandon principle for the sake of compromise."
160. "The most essential quality of an effective leader is the ability to remain consistently committed to particular principles and objectives. Any leader who is quickly and easily influenced by shifts in popular opinion will accomplish little."