Mahabharata 12.152.11

जातौ बाल्येऽथ कौमारे यौवने चापि मानवःन संत्यजत्यात्मकर्म यन्न जीर्यति जीर्यतः

jātau bālye'tha kaumāre yauvane cāpi mānavaḥna saṃtyajatyātmakarma yanna jīryati jīryataḥ

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