Ramayana
न यास्यथः श्रमं वत्सौ भक्षयित्वा फलानि वै । मूलानि च सुमृष्टानि नगराद्बहिरास्यथः ॥ 7-93-9 ॥
You two boys will not grow weary, my dear ones, having eaten these fruits; and after eating these well-cleaned roots, you shall stay outside the city.
english translation