I.  This then is what might be said to cut short our opponents’ readiness to argue and their hastiness with its consequent insecurity in all matters, but above all in those discussions which relate to God.  But since to rebuke others is a matter of no difficulty whatever, but a very easy thing, which any one who likes can do; whereas to substitute one’s own belief for theirs is the part of a pious and intelligent man; let us, relying on the Holy Ghost, Who among them is dishonoured, but among us is adored, bring forth to the light our own conceptions about the Godhead, whatever these may be, like some noble and timely birth.  Not that I have at other times been silent; for on this subject alone I am full of youthful strength and daring; but the fact is that under present circumstances I am even more bold to declare the truth, that I may not (to use the words of Scripture) by drawing back fall into the condemnation of being displeasing to God. Heb. ii. 4; x. 38.  And since every discourse is of a twofold nature, the one part establishing one’s own, and the other overthrowing one’s opponents’ position; let us first of all state our own position, and then try to controvert that of our opponents;—and both as briefly as possible, so that our arguments may be taken in at a glance (like those of the elementary treatises which they have devised to deceive simple or foolish persons), and that our thoughts may not be scattered by reason of the length of the discourse, like water which is not contained in a channel, but flows to waste over the open land.