Herbert A. Giles,
A Chinese Biographical Dictionary
(1898)
“ Disguised as a seller of cakes, he was accosted by 孫嵩 Sun Sung, who suspected him to be no common man, and asked how he bought and sold his cakes. "They cost me thirty cash," he replied, "and I sell them for thirty cash." "You are no cake-seller," cried Sun Sung, and carried him home in his chariot. By the year A.D. 195, Chao had risen to be a Minister in the Court of Sacrificial Worship; and one day chancing to meet Sun Sung, the two old friends burst into tears. ”

