Valmiki Ramayana 2.53.22
मन्ये प्रीति विशिष्टा सा मत्तः लक्ष्मण सारिका ।यस्याः तत् श्रूयते वाक्यम् शुक पादम् अरेर् दश॥
manye prīti viśiṣṭā sā mattaḥ lakṣmaṇa sārikā |yasyāḥ tat śrūyate vākyam śuka pādam arer daśa ||
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book