Here is David McCullough, author of fantastic biographies and histories including Truman, which is in my bibliography, speaking words that might have come out of my own mouth verbatim.

So, when somebody asks why I chose Hannibal, Fabius, Scipio (and Cleopatra, Ludwig Erhard, Truman, Eleanor Roosevelt, Carl Jung and the rest of them)–as the characters for a book about success and failure today, I could just play this clip: