Valmiki Ramayana Ayodhya Kanda Sarga 31 Shloka 25
Original Shlokaभवांस्तु सह वैदेह्या गिरिसानुषु रंस्यते। अहं सर्वं करिष्यामि जाग्रत स्स्वपतश्च ते।।2.31.25।।
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भवांस्तु you, वैदेह्या सह with Sita, गिरिसानुषु on mountain slopes, रंस्यते you will go sporting, ते you, जाग्रतः while you are awake, स्ववतश्च while you are asleep, अहम् I,सर्वम् all tasks, करिष्यामि I will do.
When you go about for pleasure on mountain slopes along with Sita, I shall do everything for you, whether you are awake or asleep.