Valmiki Ramayana Sundara Kanda Sarga 28 Shloka 12

अनन्यदैवत्वम् no god other than you, इयम् this, क्षमा च and tolerance, भूमौ on earth, शय्या sleep, धर्मे in righteousness, नियमश्च discipline, पतिव्रतात्वम् my chastity, मम my, इदम् this, कृतघ्नेषु in case of ungrateful man, मानुषाणाम् of human beings, कृतमिव like the help done, विफलम् is futile.

"I am devoted to you and to no other god. My hardship in sleeping on the ground, my righteousness, my discipline and chastity have all proved futile like the devotion of an ungrateful person.