Valmiki Ramayana Kishkindha Kanda Sarga 55 Shloka 5
Original Shlokaसत्यात्पाणिगृहीतश्च कृतकर्मा महायशाः। विस्मृतो राघवो येन स कस्य तु कृतं स्मरेत्।।4.55.5।।
1 source checked for this shloka
सत्यात् truly, पाणिगृहीतश्च held his hand, कृतकर्मा accepted, महायशाः an illustrious man, राघवः Rama, येन whom, विस्मृतः forgotten, सः he, कस्य whose, तु indeed, कृतम् help, स्मरेत् will he remember?
'Illustrious Rama, who faithfully held his hand was forgotten after he received his help. Indeed whose help would he remember?