58. But there are not only superior spirits which manifest: there are also those of all orders. This is necessary in order to initiate us into the true character of the spiritual world, by showing it to us in all its phases. By this means the relations between the visible and invisible world are more intimate, the connection is more evident. We see more clearly whence we came, and where we go. Such is the essential object of these manifestations. All spirits, in whatever degree to which they may attain, teach us something; but, as they are more or less enlightened, it is left to us to determine whether they are good or evil, and to profit by their teaching as it permits. Now all, whomsoever they may be, can teach and reveal to us facts of which we are ignorant, and which but for them we should never know.