RT MM A1 이정인 T1 (인성교육의 화두) 대학교훈 : 石汀 李正仁 敎授 喜壽記念書展 즈음하여 = (subject of humanism inspiration) University mottoes: Calligraphy exhibition on the occasion of Seok-Jeong, Chung-in Lee's 77th birthday celebration