Valmiki Ramayana 6.68.18

यद्यहं भ्रातृहन्तारं न हन्मि युधि राघवम्।ननु मे मरणं श्रेयो न चेदं व्यर्थजीवितम्॥

yadyahaṃ bhrātṛhantāraṃ na hanmi yudhi rāghavam |nanu me maraṇaṃ śreyo na cedaṃ vyarthajīvitam ||

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