The perfectly imperfect thing
Of all possible virtues, the finest is the perfection of imperfection. The title Rhinoceros Horn Fan refers to a case in the Blue Cliff Record, a famous collection of Zen koans, in which a master and his attendant have a conversation:
One day Yanguan called to his attendant, "Bring me the rhinoceros horn fan."
The attendant said, "The fan is broken."
Yanguan said, "Then bring me the rhinoceros!"