Srimad-Bhagavatam: Canto 7 - Chapter 1 - Verse 11

Sanskrit:

अत्राप्युदाहरन्तीममितिहासं पुरातनम् ।प्रह्रादस्य च संवादं मुनेराजगरस्य च ॥ ११ ॥

ITRANS:

atrāpy udāharantīmamitihāsaṁ purātanamprahrādasya ca saṁvādaṁmuner ājagarasya ca

Translation:

As a historical example of this, learned sages recite the story of an ancient discussion between Prahlāda Mahārāja and a great saintly person who was feeding himself like a python.

Purport:

The saintly person met by Prahlāda Mahārāja was undergoing ājagara-vṛtti, the living conditions of a python, which does not go anywhere but sits in one place for years and eats whatever is automatically available. Prahlāda Mahārāja, along with his associates, met this great saint and spoke to him as follows.