10. "I see the purgative effect of the scammony root1 and I see an antidote for snake-bite in the aristolochia plant2 —which, by the way, derives its name from its discoverer who learned of it in a dream —I see their power and that is enough; why they have it I do not know. Thus as to the cause of those premonitory signs of winds and rains already mentioned I am not quite clear, but their force and effect I recognize, understand, and vouch for. Likewise as to the cleft or thread in the entrails: I accept their meaning; I do not know their cause. And life is full of individuals in just the same situation that I am in, for nearly everybody employs entrails in divining. Again: is it possible for us to doubt the prophetic value of lightning? Have we not many instances of its marvels? and is not the following one especially remarkable? When the statue of Summanus which stood on the top of the temple of Jupiter Optimus Maximus—his statue was then made of clay—was struck by a thunderbolt and its head could not be found anywhere, the soothsayers declared that it had been hurled into the Tiber; [p. 243] and it was discovered in the very spot which they had pointed out.