Valmiki Ramayana 7.4.15
प्रहेतिर्धार्मिकस्तत्र तपोवनगतस्तदा ।हेतिर्दारक्रियार्थे तु परं यत्नमथाकरोत्॥
prahetirdhārmikastatra tapovanagatastadā |hetirdārakriyārthe tu paraṃ yatnamathākarot ||
Our plain-language meaning of this verse is waiting for scholar review.
