《太平广记·卷四百六十一·禽鸟二》
虽然有人走近，但是因为它太爱自己的尾巴，恐怕被人损坏，就不再飞翔了。
且爱其尾，恐人所伤，不复骞翔也。
Even though someone is approaching, because it loves its tail feathers too much, it is afraid that it will be damaged by humans, so it will no longer fly.