首楞嚴義疏注經 8.505

8.505

即前枉習，鬼託明生，為役使類，鬼道業盡，畜報休徵。休，美也，休祥將至，預有此徵，由他美行之所招也，即麟、鳳之類也。

Caused by the previous habit of framing, as a ghost it relied on luminosity to arise, belonging to the servant category. When the karma of the ghost path is exhausted, its animal retribution is an auspicious omen. 'Xiū' means good; when auspicious omens are about to arrive, there is this prior manifestation, attracted by the fine deeds of others; it refers to kinds like the qilin and phoenix.