Great figures who went through “Trouble with a teacher”

Figures who went through this

• Kitasato Shibasaburo — The Man Who Wouldn't Listen

  "Being a doctor or a monk is no work for a grown man with arms and legs." That, it is said, was how a young man felt when he entered a medical school only as a trick. Later he snapped at his bosses, cut down his own teacher's theory, and quit with all his staff when his institute was moved to a government office. What was the one piece of advice this man who never listened finally kept?