Mahabharata 12.151.13

अथ निश्चित्य मनसा शल्मलिर्वातकारितम्पश्यमानस्तदात्मानमसमं मातरिश्वनः

atha niścitya manasā śalmalirvātakāritampaśyamānastadātmānamasamaṃ mātariśvanaḥ

Our plain-language meaning of this verse is waiting for scholar review.