We must begin by distinguishing the various ways in which the term 'infinite' is used: in one way, it is applied to what is incapable of being gone through, because it is not its nature to be gone through (the way in which the voice is invisible); in another, to what admits of a traversal which cannot be completed, or which can only be completed with difficulty, or what naturally admits of a traversal but does not have a traversal or limit.