Mahabharata 12.311.26

देवतानामृषीणां च बाल्येऽपि स महातपाःसंमन्त्रणीयो मान्यश्च ज्ञानेन तपसा तथा

devatānāmṛṣīṇāṃ ca bālye'pi sa mahātapāḥsaṃmantraṇīyo mānyaśca jñānena tapasā tathā

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