Guru Nanak Various Quotations

He must be acquainted with the ,proper , wages of servants, with the various languages of men, with the manner of keeping goods, and ,the rules of purchase and sale.

Having detected them by means of trustworthy persons, who, disguising themselves, ,pretend to follow the same occupations and by means of spies, wearing various disguises, he must cause them to be instigated ,to commit offences , and bring them into his power.

By the means of clever reformed thieves, who associate with such ,rogues , follow them and know their various machinations, he must detect and destroy them.