Valmiki Ramayana 7.104.18
त्रयाणामपि लोकानां कार्यार्थं मम सम्भवः ।भद्रं ते ऽस्तु गमिष्यामि यत एवाहमागतः॥
trayāṇāmapi lokānāṃ kāryārthaṃ mama sambhavaḥ |bhadraṃ te 'stu gamiṣyāmi yata evāhamāgataḥ ||
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book