Valmiki Ramayana 2.28.12
अहोरात्रम् च सन्तोषः कर्तव्यो नियतात्मना ।फलैर्वृक्षावपतितैः सीते दुःखमतो वनम्॥
ahorātram ca santoṣaḥ kartavyo niyatātmanā |phalairvṛkṣāvapatitaiḥ sīte duḥkhamato vanam ||
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book