Valmiki Ramayana 5.55.10
यदर्थमयमारम्भस्तत्कार्यमवसादितम् ।मया हि दहता लङ्कां न सीता परिरक्षिता॥
yadarthamayamārambhastatkāryamavasāditam |mayā hi dahatā laṅkāṃ na sītā parirakṣitā ||
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book