Valmiki Ramayana 6.19.23
श्रुत्वा तु वचनं तस्य रामस्याक्लिष्टकर्मणः ।शिरसा ऽ ऽवन्द्य धर्मात्मा वक्तुमेवोपचक्रमे॥
śrutvā tu vacanaṃ tasya rāmasyākliṣṭakarmaṇaḥ |śirasā ' 'vandya dharmātmā vaktumevopacakrame ||
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book