540. Almost all the speech of the inhabitants of Jupiter is the interior idea, or that which is called with us the material idea, or that of the imagination; thus it is not the ideas of the senses or external ideas which, formed into words, constitute their speech; this speech they also have, but in such a way that it may be subservient to the interior, and in certain cases things may be expressed by means of it, such as those which pertain to the use of their life.