On the eve of Dr. Yahya Dolati's 90th birthday, his students, including Dr. Alireza Firooz, Dr. Ali Khamesipour, Dr. Mansour Nassiri Kashani (professors at the University's Skin and Leprosy Research Center), and Dr. Seyed Ebrahim Eskandari (assistant professor and director of the center), discussed his moral and scientific character in an interview. In this video, Dr. Dolati emphasized the role of happiness in human success and health, saying: "When a person is happy, they do their work well and think better." He added, "True happiness is achieved when you help others; this joy is both deep and long-lasting.