Punishment may make us obey the orders we are given, but at best it will only teach an obedience to authority, not a self-control which enhances our self-respect.
Bio: Albert Pierrepoint was a long-serving hangman in England. He executed at least 400 people, including William Joyce and John Amery. In Germany and Austria after the war, he executed some 200 people who had been convicted of war crimes.