Valmiki Ramayana 2.72.20

तत् इदम् न विभाति अद्य विहीनम् तेन धीमता ।व्योमेव श्शिना हीनमप्भुष्क इव सागरः॥

tat idam na vibhāti adya vihīnam tena dhīmatā |vyomeva śśinā hīnamapbhuṣka iva sāgaraḥ ||

Our plain-language meaning of this verse is waiting for scholar review.