Mahabharata 13.136.19

येषां वृद्धश्च बालश्च सर्वः संमानमर्हतितपोविद्याविशेषात्तु मानयन्ति परस्परम्

yeṣāṃ vṛddhaśca bālaśca sarvaḥ saṃmānamarhatitapovidyāviśeṣāttu mānayanti parasparam

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