There is a Legend that Varauchi,who was in King Vikramaditya’s Court and A great Sanskrit scholar, was asked to pick the best sloka in the Ramayana, which has 24,000 slokas, couplets.
He is reported to have found it, from the Ghosts in a Tree, who were talking among themselves.
This is the Best Sloka of Ramayana, found by Vararauchi,
Ayodhya Kanda, 40 Sarga, 9 Sloka
रामम् दशरथम् विद्धि माम् विद्धि जनक आत्मजाम् |
अयोध्याम् अटवीम् विद्धि गच्च तात यथा सुखम् || २-४०-९
It has 3 meanings as follows.
Meaning 1:”Know Rama to be Dasaratha. Look upon Seetha the daughter of Janaka as myself. Consider the forest as Ayodhya and depart happily, my son!”
Meaning 2: Know Rama is one with 10 avtharas (Vishnu) Know Seetha as Lakshmi (Mam) and Know Forest as Ayodya (Un conquerable-Vaikunta) and depart happily
Meaning 3: Consider Dasaratha as Dead, consider me as departed to my maternal home (as widow), and forget Ayodya and depart happily.