许书九千余文,除指事象形为独体以外,其合体之会意字,两体纯由形术,而体之形声字,则为一体主形,一体主声。即其形而系联之,分别部居,不相杂厕,是为形系,若丕之从一不声,吏之从一史声,祜之从示古声. Xu Shujiu more than nine thousand articles, except for the thing pictographic as a single entity, the fit of the word, the two purely by the technique, and the shape of the sound word, then the one main form, one main voice. That is, its shape and connection, respectively, the Ministry of residence, not mixed with toilet, is a system of shape, if the pi from a non-voice, officials from a history of sound, the emperor from showing the ancient sound.