Valmiki Ramayana 1.61.9
उपाध्याय वचः श्रुत्वा स राजा पुरुषर्षभ ।अन्वियेष महाबुद्धिः पशुम् गोभिः सहस्रशः॥
upādhyāya vacaḥ śrutvā sa rājā puruṣarṣabha |anviyeṣa mahābuddhiḥ paśum gobhiḥ sahasraśaḥ ||
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book