Taijiquan and Shufa Master

Liang Tung-Tsai alongside his teacher, Cheng Man-Ch'ing, displaying a painting of the Professor's. Professor Cheng is more know in America as a revered teacher and "Founding Father" of American Taijiquan, but in his homeland was better-known as a great calligrapher and traditional doctor.

Brushslingers - what has calligraphy taught you about taijiquan?  How do you feel the two art forms interact?