attr. Æsop, Three Hundred Aesop's Fables — The Ass and the Mule (1887)
“ A Muleteer set forth on a journey, driving before him an Ass and a Mule, both well laden. The Ass, as long as he travelled along the plain, carried his load with ease; but when he begun to ascend the steep path of the mountain, he felt his load to be more than he could bear. ”
