Dhammapada · 10.15

Hirīnisedho puriso, koci lokasmi vijjati;Yo nindaṃ apabodheti, asso bhadro kasāmiva.

Hirinisedho puriso, koci lokasmi vijjati; Yo nindam apabodheti, asso bhadro kasamiva.

A person restrained by moral shame is rarely found in the world — who, like a fine horse to the whip, awakens himself from blame.

— Dhammapada 10.15

Source: Pali text from the Khuddaka Nikāya of the Pali Canon (oldest extant Buddhist scripture, compiled c. 3rd century BCE). Public-domain English readings drawn from F. Max Müller's translation in Sacred Books of the East, Vol X (1881) and the Buddhist Publication Society's freely-licensed Acharya Buddharakkhita rendering.