In the Ramcharitmanas, Sita says: Ajara amara gunanidhi suta hohu; Karahun bahuta raghunayaka chhohu. May possibly you in no way mature outdated or die, my son; be a storehouse of advantage, and may Raghunatha be most gracious unto you. Over and above the Ramayana, numerous other texts, like the https://www.youtube.com/watch?v=6cAOQp6Twlc&t=7s