ONCE upon a time the Donkeys complained to Jupiter that they were treated too cruelly by mankind. "Our strong backs," said they, "carry burdens which every weaker animal and Man himself would sink under. And what is more, they try to force us by merciless beating to go at a speed which is rendered impossible by our heavy loads, even if it were not denied us by nature. Forbid them, Great Jupiter, to be so unreasonable. We are willing to serve them, since we seem to have been created for that purpose, but we object to being beaten without cause."
"My children," replied Jupiter, "your request is just. But I see no possible way of convincing Mankind that your natural slowness is not due to laziness. And as long as they believe this, you will be beaten. But I have thought of one way of lightening your sorrows. From this moment onward I will dull your sense of feeling; your skins shall be toughened to resist blows, and to fatigue the arm of the Driver."
"Immortal Jupiter," shouted the Donkeys, "you are ever wise and merciful," and they departed from his throne rejoicing.