Charles F. Kettering, whose inventive genius sparked the growth of General Motors, was one of America’s most renowned and heartwarming speakers. Asked if he ever wrote out any part or all of his talks, he replied: “What I have to say is, I believe, far too important to write down on paper. I prefer to write on my audience’s mind, on their emotions, with every ounce of my being. A piece of paper cannot stand between me and those I want to impress.”
