Verse 39

पूर्वमन्यस्तथेदानीं बभूविथ भविष्यसि ।यदि राम तथापि त्वं सद्रूपं किं विमुह्यसि

In plain words

If, Rāma, you were someone else before, are someone else now, and will be someone else again — even so, why be deluded about your true form, which is sat, Being itself?