Valmiki Ramayana Ayodhya Kanda Sarga 24 Shloka 24
Original Shlokaदारुणश्चाप्ययं शोको यथैनं न विनाशयेत्। राज्ञो वृद्धस्य सततं हितं चर समाहिता।।2.24.24।।
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दारुणः terrible, अयं शोकः this grief, एनम् him, यथा in a manner, न विनाशयेत् will not ruin (his health), समाहिता with composed mind, वृद्धस्य of the old, राज्ञः of the king, सततम् always, हितम् good, चर act.
See that the old king does not succumb to this terrible grief. Serve him with a composed mind.