Srimad-Bhagavatam: Canto 7 - Chapter 1 - Verse 15
Sanskrit:
तं नत्वाभ्यर्च्य विधिवत्पादयो: शिरसा स्पृशन् ।विवित्सुरिदमप्राक्षीन्महाभागवतोऽसुर: ॥ १५ ॥
ITRANS:
taṁ natvābhyarcya vidhivatpādayoḥ śirasā spṛśanvivitsur idam aprākṣīnmahā-bhāgavato ’suraḥ
Translation:
The advanced devotee Prahlāda Mahārāja duly worshiped and offered obeisances to the saintly person who had adopted a python’s means of livelihood. After thus worshiping the saintly person and touching his own head to the saint’s lotus feet, Prahlāda Mahārāja, in order to understand him, inquired very submissively as follows.