Valmiki Ramayana Aranya Kanda Sarga 9 Shloka 21
Original Shlokaयत्र गच्छत्युपादातुं मूलानि च फलानि च।।3.9.21।। न विना याति तं खङ्गं न्यासरक्षणतत्परः।
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न्यासरक्षणतत्परः ever alert in protecting the trust, मूलानि च roots, फलानि च and fruits, यत्र wherever, गच्छति he goes, तं खङ्गं विना without that sword, न याति does not go,
Vigilant about protecting the sword deposited with him, the sage never moved without it even when he went gathering roots and fruits.