Valmiki Ramayana 5.37.13

उत्साहः पौरुषं सत्त्वमानृशंस्यं कृतज्ञता ।विक्रमश्च प्रभावश्च सन्ति वानर राघवे॥

utsāhaḥ pauruṣaṃ sattvamānṛśaṃsyaṃ kṛtajñatā |vikramaśca prabhāvaśca santi vānara rāghave ||

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