15. Those who claim that matter does not exist, will have to be
referred to our extended discussion[196] where we have demonstrated
the necessity of its hypostatic existence. Those who would assert that
evil does not belong among beings would, if logical, thereby also
deny the existence of the good, and of anything that was desirable;
thereby annihilating desire, as well as aversion, and even thought;
for everybody shares desire for the good, and aversion for the evil.
Thought and knowledge, simultaneously, apply to good and evil; thought
itself is a good.