Valmiki Ramayana Kishkindha Kanda Sarga 58 Shloka 32
Original Shlokaअस्माकं विहिता वृत्तिर्निसर्गेण च दूरतः। विहिता पादमूले तु वृत्तिश्चरणयोधिनाम्।।4.58.32।।
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अस्माकम् for us, वृत्ति: movement, निसर्गेण by nature, दूरतः at a distance, विहिता is fixed (by destiny), चरणयोधिनाम् for those fighting on foot, पादमूले at their feet, वृत्ति: movement, विहिता is fixed.
'Our movement and vision naturally extends to distant places. For those fighting on foot, the movement is restricted to the extent of foot movement.