Mahabharata 3.133.10
द्वारपाल उवाच · dvārapāla uvāca
वृद्धेभ्य एवेह मतिं स्म बाला; गृह्णन्ति कालेन भवन्ति वृद्धाःन हि ज्ञानमल्पकालेन शक्यं; कस्माद्बालो वृद्ध इवावभाषसे
vṛddhebhya eveha matiṃ sma bālā; gṛhṇanti kālena bhavanti vṛddhāḥna hi jñānamalpakālena śakyaṃ; kasmādbālo vṛddha ivāvabhāṣase
Our plain-language meaning of this verse is waiting for scholar review.