CHAPTER XX.
IN WHAT RESPECT PHILOSOPHY CONTRIBUTES TO THE COMPREHENSION OF DIVINE TRUTH.
S many men drawing down the ship, cannot be called many causes, but one cause consisting of many;—for each individual by himself is not the cause of the ship being drawn, but along with the rest;—so also philosophy, being the search for truth, contributes to the comprehension of truth; not as being the cause of comprehension, but a cause along with other things, and co-operator; perhaps also a joint cause. And as the several virtues are causes of the happiness of one individual; and as both the sun, and the fire, and the bath, and clothing are of one getting warm: so while truth is one, many things contribute to its investigation. But its discovery is by the Son. If then we consider, virtue is, in power, one. But it is the case, that when exhibited in some things, it is called prudence, in others temperance, and in others manliness or righteousness. By the same analogy, while truth is one, in geometry there is the truth of geometry; in music, that of music; and in the right philosophy, there will be Hellenic truth. But that is the only authentic truth, unassailable, in which we are instructed by the Son of God. In the same way we say, that the drachma being one and the same, when given to the shipmaster, is called the fare; to the taxgatherer, tax; to the landlord, rent; to the teacher, fees; to the seller, an earnest. And each, whether it be virtue or truth, called by the same name, is the cause of its own peculiar effect alone; and from the blending of them arises a happy life. For we are not made happy by names alone,
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