Temiyajātaka

Suttapiṭaka · Khuddakanikāya · Jātaka (2) · Vol. 28 · Section 420

[420] Fat horses fall short in speed; lean horses fall short in strength. Setting aside the lean and the fat, horses of balanced, well-knit build are yoked.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.