Valmiki Ramayana Sundara Kanda Sarga 36 Shloka 43
Original Shlokaनित्यं ध्यानपरो रामो नित्यं शोकपरायणः। नान्यच्चिन्तयते किञ्चित्स तु कामवशं गतः।।5.36.43।।
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रामः Rama, नित्यम् ever, ध्यानपरः reflecting on you, नित्यम् ever, शोकपरायणः totally given to grief, सः he, कामवशं गतः absorbed in love for you, अन्यत् no other thoughts, न चिन्तयते he is not thinking.
"Rama is always lost in thought. He is totally given to grief. Absorbed in love for you, he thinks of none else৷৷