The Dhammapada 法句經
Verse 82 for 23 March, 2019
322. Excellent are well-trained mules, thoroughbred Sindhu horses and noble tusker elephants. But better still is the man who has subdued himself.
323. Not by these mounts, however, would one go to the Untrodden Land (Nibbana), as one who is self-tamed goes by his own tamed and well-controlled mind.
Dhp XXIII. Nagavagga - The Elephant : Dhp 322 - 323::