Greatness/importance of the five-lettered mantra

पंचाक्षरमाहात्म्यवर्णनं नाम द्वादशोऽध्यायः

Description of the greatness/importance of the five-lettered mantra – Chapter 12

उपमन्युरुवाच |

Upamanyu said (to Lord Krishna)

पंचाक्षरस्य माहात्म्यं वर्षकोटिशतैरपि |
अशक्यं विस्तराद्वक्तुं तस्मात्संक्षेपतः शृणु || 2 ||

It is impossible to speak of the importance of the five-lettered
mantra (Namah Shivaya) in (full) detail in even ten million years.
Therefore, hear (it) in short.