The Bonhoeffer children were taught to be in firm control of their emotions. Emotionalism, like sloppy communication, was thought to be self-indulgent. When his father died, Karl Bonhoeffer wrote, “Of his qualities25, I would wish that our children inherit his simplicity and truthfulness. I never heard a cliché from him, he spoke little and was a firm enemy of everything faddish and unnatural.”