<Li> Cai Xiang 蔡 襄 (1012--1067) </Li> <Li> Su Shi 蘇軾 (1037--1101) </Li> <Li> Huang Tingjian 黄庭堅 (1045--1105) </Li> <Li> Mi Fu 米 黻 (1051--1107) </Li>

Why was calligraphy so revered in chinese culture