Caoshu of the Master, Li Po
Wang Xizhi's Orchid Pavillion Preface (Xingshu).
(The master who turned a pond black washing his brushes after practicing
his calligraphy for twenty years.)
Wang Xianzhi (Caoshu)
(Wang Xizhi's son, who had to use up eighteen huge vats of ink from the age of twelve before he
could achieve mastery)
Ouyang Xun (Kaishu)
(Spent three days in front of his stone tablet before beginning to write)