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in prophecy is to acknowledge the existence of a sphere beyond reason;
into this sphere an eye penetrates whereby man apprehends special
objects-of-apprehension. From these reason is excluded in the same way
as the hearing is excluded from apprehending colors and sight from
apprehending sounds and all the senses from apprehending the objects of
reason.

If our opponent does not admit this, we have given a demonstration that a
supra-rational sphere is possible, indeed that it actually exists. If however,
he admits our disputation, he has affirmed the existence of things called
properties with which the operations of reason are not concerned at all;
indeed, reason almost denies them and judges them absurd. For instance,
the weight of a danig (about eight grains) of opium is a deadly poison,
freezing the blood in the veins through its excess of cold. The man who
claims a knowledge of physics considers that when a composite substance
becomes cold it always does so through the two elements of water and
earth, since these are the cold elements. It is well-known, however, that
many pounds of water and earth are not productive of cold in the interior of
the body to the same extent as this weight of opium. If a physicist were