5027. It is not permitted to say anything to them concerning religion; but when anyone of another religion comes to them, they examine him - not by living voice and oral answers, but they enter into his thoughts and explore for themselves; partly when he is not aware, partly indeed when he knows that they are exploring him but still does not know what [is going on] hence they draw out what lies hidden with those who come to them. Their priests explore doctrinals, and the rest, perhaps such matters as pertain to trade.