The Patna Dharmapada 71

71

35
yamhi dhammaṃ vijāneyā vṛddhamhi daharamhi |
sakkacca naṃ namasseyā aggihotraṃ va brāhmaṇo ||

35
From whomsoever one might understand the dharma, whether from an elder or from a youth, / one should revere him with respect, as a brahmin does the sacrificial fire.