A lazy Cuckoo let a Hedge-sparrow hatch and rear her young and then complained to an Owl when the young flew off without acknowledging the Cuckoo.
Do not expect from others that which you cannot give in return.
A Bee asked a chanting Cuckoo to cease repetition. The Cuckoo said everything the Bee does is the same. Bee responded that in art monotony must be avoided.
In works of taste and amusement, monotony is to be avoided.