For 10 points, name this author of "Drinking Alone by Moonlight" and "The River Merchant's Wife," a Tang Dynasty colleague of Du Fu.
In one work, this poet asserted that "rank and riches vanish" and asked "you toil and toil – what for?" and "which was real – the butterfly or the man?" He described how his shadow "tangles and breaks" in the dance he weaves in a poem about raising his cup to "the bright moon." A third poem by this author of (*) "Chuang Tzu and the Butterfly" opens at a time when the speaker's "hair was still cut straight across" her forehead and tells of how "at sixteen", the poem's addressee went "into far Ku-to-en." A translation of that poem appeared in Ezra Pound's Cathay. For 10 points, name this author of "Drinking Alone by Moonlight" and "The River Merchant's Wife," a Tang Dynasty colleague of Du Fu.
In one work, this poet asserted that "rank and riches vanish" and asked "you toil and toil – what for?"
{Li Po} [or {Li Bo}; or {Li Bai}, or {Li Taibai}; or {Rihaku}; or {Qinglianjushi}]