God created the mule, and told him, 'you will be Mule, working
constantly from dusk to dawn, carrying heavy loads on your back. You will eat
grass and you lack intelligence. You will live for 50 years.
The mule answered: 'To live like this for 50 years is too much.
Please, give me no more than 20.' And it was so.
Then God created the dog, and told him, 'you will hold vigilance
over the dwellings of Man, to him you will be his greatest companion. You
will eat his table scraps and live for 25 years.'
And the dog responded, 'Lord, to live 25 years as a dog is too much.