He should also, O foremost of Bharatas, know the spies of his enemies by himself placing spies in shops and places of amusement, amid gatherings of people, among beggars, in his pleasure gardens and parks, in meetings and assemblages of the learned, in the country, in public places, in the court, and in the houses of the citizens.
चारांश्च विद्यात् प्रहितान् पुरेण भरतर्षभ। आपणेषु विहारेषु समाजेषु च भिक्षुषु॥ आरामेषु तथोद्याने पण्डितानां समागमे। देशेषु चत्वरे चैव सभास्वावसथेषु च॥