Riding along with his officers, Ts'ao Ts'ao came across a memorial stele inscribed with a famous elegy. Underneath the elegy were eight puzzling Chinese characters.
根據記載，東漢文學家蔡邕因避難經過紹興，在一塊刻有稱讚曹娥孝義詩文的碑旁，題下「黃絹幼婦外孫齏臼」八字。