Mahabharata 1.69.12

अभिवाद्य यथा वृद्धान्सन्तो गच्छन्ति निर्वृतिम्एवं सज्जनमाक्रुश्य मूर्खो भवति निर्वृतः

abhivādya yathā vṛddhānsanto gacchanti nirvṛtimevaṃ sajjanamākruśya mūrkho bhavati nirvṛtaḥ

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