Eighty of his `` Discourses '' ( or `` Orations '' ; ) are extant , as well as a few Letters and a funny mock essay `` In Praise of Hair '' , as well as a few other fragments .
Eighty of his `` Discourses '' ( or `` Orations '' ) are known . A few Letters and a funny mock essay In Praise of Hair , as well as a few other fragments also survive .