Dr. Sadao’s success was shaped significantly by his father’s values and vision. His father was a strict disciplinarian who prioritized education and instilled in Sadao a deep sense of duty. He sent Sadao to study medicine in America, ensuring he received the best training. At the same time, he ensured Sadao remained loyal to his heritage by approving only a Japanese wife. Sadao’s skill as a surgeon and his moral courage during the war are rooted in the strong foundation his father laid. Thus, his father’s guidance was instrumental in shaping Sadao’s success both as a doctor and as a principled human being.