1. Ājañña Sutta.– Like a king’s thoroughbred horse possessed of beauty, strength, speed and good proportions, a monk worthy of offerings should have beauty (of life), strength (of character), speed (of insight) and good proportions (of necessaries). A.ii.250‑1.
2. Ājañña Sutta.– Same as above, but speed of insight in a monk is depicted as ability to enter into the four jhānas. A.ii.251‑2.
3. Ājañña Sutta.– On eight qualities that a horse should possess in order to be worthy of being used by the king, and on eight similar qualities essential in the ideal monk. A.iv.188 ﬀ.