Valmiki Ramayana 6.87.10
एवमुक्तो महातेजा मनस्वी रावणात्मजः।अब्रवीत् परुषं वाक्यं तत्र दृष्ट्वा विभीषणम्॥
evamukto mahātejā manasvī rāvaṇātmajaḥ |abravīt paruṣaṃ vākyaṃ tatra dṛṣṭvā vibhīṣaṇam ||
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book