Once upon a time, there’s a whale who dreamed of living on land. One day, it met a dying deer by the sea and seized this chance to take away the deer’s legs. While traveling on land, the whale greedily plundered legs from other animals until it met a zebra, which was the first animal proposed an exchange. The whale was unwilling to trade with the zebra and fled back to the sea, but it had already forgotten how to swim.