also known as the Dharma Baka Upakhyan: The Story of the Righteous Crane.
In this famous and climactic scene from Mahabharata, the great Indian epic, we see Yudhishthira, the perfect king, answer thirty-three sets of pressing questions posed by a mysterious being in the shape of a crane.
“What is a real ablution? And what is charity?” Yudhishthira answered,—“A true bath consists in washing the mind clean of all impurities, and charity consists in protecting all creatures.”
Translation by Kisari Mohan Ganguli. The entire Mahabharata in Sanskrit and in English is available from Sacred Texts.