From:
Jātaka Stories of Past Lives 24
Ekakanipāta The Book of the Ones
Kuruṅgavagga The Four-horned Antelope
4. Ājaññajātaka The Thoroughbred: a past life story
“Yadā yadā yattha yadā, Whenever whenever, wherever whenever,
yattha yattha yadā yadā; wherever wherever, whenever whenever:
Ājañño kurute vegaṁ, the thoroughbred drives onward,
hāyanti tattha vāḷavā”ti. while the geldings fade right there.
Ājaññajātakaṁ catutthaṁ.