Valmiki Ramayana Yuddha Kanda Sarga 63 Shloka 21

पूर्वम् in the past, ते you, अनुजेन brother's, यत् that which, उक्तम् was told, क्रियताम् do that, नः not, तत् that, वाक्यमेव that advice alone, हितम् is good, यत् that, इच्छसि you wish, तत् that, कुरु you may do.

"The advice given to you in the past by your brother alone is good. That is good for you. Or you may do what you wish."