The most amazing poems in human history are the Huêi-wên-tʻü or the revolving chart, by Lady Su Huêi, of the Chin Dynasty (265-419), and the Chʻien-tzŭ-wên, or thousand-character literature, by Chou Hsing-ssŭ, (fifth century a.d.)
1929, Witter Bynner, transl., The Jade Mountain, Alfred A. Knopf, published 1967, page xxxvi