प्राणानायम्य विधिवन्निर्विन्ध्यातटिनीतटे ।। तपश्चचार सुमहदद्वन्द्वोऽब्दशतम्मुनिः ।। ४ ।।
On the banks of the river Nirvindhyā, the sage who had controlled his breath and had freed himself from mutually clashing emotions performed a great penance for a hundred years.