He should appoint as spies men looking like idiots or like those who are blind and deaf. These should all be well-tried persons who are endued with wisdom, and who are able to bear hunger and thirst.
प्रणिधींश्च ततः कुर्याज्जडान्धबधिराकृतीन्। पुंसः परीक्षितान् प्राज्ञान् क्षुत्पिपासाश्रमक्षयान्॥