Valmiki Ramayana 1.62.28
विश्वामित्रो अपि धर्मात्मा भूयः तेपे महातपाः ।पुष्करेषु नरश्रेष्ठ दश वर्ष शतानि च॥
viśvāmitro api dharmātmā bhūyaḥ tepe mahātapāḥ |puṣkareṣu naraśreṣṭha daśa varṣa śatāni ca ||
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book