In 742 Emperor
唐玄宗 summoned
李白, then past forty and long without office, to
长安. Leaving home, he drinks, sings and dances with his children, and closes with
仰天大笑出门去,
我辈岂是蓬蒿人 'laughing up at the sky I stride out the door: are men like us meant to stay among the weeds?'