Valmiki Ramayana 6.83.43
उत्तिष्ठ नरशार्दूल दीर्घवाहो दृढव्रत।किमात्मानं महात्मानमात्मानं नावबुध्यसे॥
uttiṣṭha naraśārdūla dīrghavāho dṛḍhavrata |kimātmānaṃ mahātmānamātmānaṃ nāvabudhyase ||
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book