Theory of Government in Ancient India (Post-Vedic) c10.23

c10.23

It is the spies who are the real eyes of the king. Disguised as merchants, physicians, astrologers, religious mendicants, they should watch the doings of all and note the strength and armaments of foreign states. They must also keep a close watch on foreign visitors. But some check is necessary on them as well. Spies should not know one another. A single spy is not to be trusted, unless he is corroborated by others.²