献身的な老婦人に飼われた真っ黒な牛としての過去世のボーディサッタで、渡し場で荷車を引く商人を助けたが、約束された賃金の半分をだまし取られたため、全額支払われるまで動くことを拒んだ。

The Bodhisatta in a past life as a jet-black bull, reared by a devoted old woman, who helped a merchant pull his carts across a ford and, after being cheated of half his promised wage, refused to move until paid in full.