Mahāsamayasutta

Suttapiṭaka · Dīghanikāya · Mahāvagga · Vol. 10 · Section 237

[237] Then another deity spoke this verse in the presence of the Blessed One: "There the bhikkhus have concentrated themselves; they have made their own minds (citta) straight. As a charioteer holding the reins, the wise guard their sense faculties (indriya)."

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.