In plain words
Amutaṉār: From the holy mouth of the lord of beautiful Kurukai [Nammāzhvār], set among groves of sandalwood, came a kindly Tamil sweet as nectar. It was Nātamuṉi's nature to live by dwelling on the qualities of those dear to the ones who know that Tamil's music [such as Madhurakavi Āzhvār], and Rāmānuja scoops Nātamuṉi up with his heart and drinks, as the thirsty drink. Rāmānuja is my great treasure.