Extension; for here we speak only of attributes which might be called the proper attributes of God,[1] through which we come to know him [as he is] in himself, and not [merely] as he acts [towards things] outside himself. All else, then, that men ascribe to God beyond these two attributes, all that (if it otherwise pertains to him) must be either an "extraneous denomination," such as that he exists through himself, is Eternal, One, Immutable, &c., or, I say, has reference to his activity, such as that he is a cause, predestines, and rules all things: all which are properties of God, but give us no information as to what he is. But how and in what manner these attributes can nevertheless have a place in God we shall explain in the following chapters. But, for the better understanding of this[2] and in further exposition thereof,[3] we have thought it well *and have decided* to add the following arguments consisting of a [Dialogue.]