Valmiki Ramayana 7.24.17
अहो धिङ्मानुषं लोकं नास्ति खल्वधमः परः ।यद्दुर्बला बलवता भर्तारो रावणेन नः॥
aho dhiṅmānuṣaṃ lokaṃ nāsti khalvadhamaḥ paraḥ |yaddurbalā balavatā bhartāro rāvaṇena naḥ ||
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book