Mahabharata 13.36.18

इत्येतन्मे पिता श्रुत्वा सोमादद्भुतदर्शनात्ब्राह्मणान्पूजयामास तथैवाहं महाव्रतान्

ityetanme pitā śrutvā somādadbhutadarśanātbrāhmaṇānpūjayāmāsa tathaivāhaṃ mahāvratān

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