Nothing excites men's curiosity so much as Mystery, concealing things which they desire to know; and nothing so much increases curiosity as obstacles that interpose to prevent them from indulging in the gratification of their desires. Of this the Legislators and Hierophants took advantage, to attract the people to their sanctuaries, and to induce them to seek to obtain lessons from which they would perhaps have turned away with indifference if they had been pressed upon them.