7. To add a few words respecting the doctrine which is delivered in the following pages. This, also, is from heaven, because it is from the spiritual sense of the Word, and the spiritual sense of the Word is the same with the doctrine that is in heaven; for there is a church in heaven as well as on earth. In heaven there are the Word and doctrine from the Word, there are temples there, and preaching in them; there are also both ecclesiastical and civil governments there: in a word, the only difference between the things which are in heaven, and those which are on earth, is, that in heaven all things exist in a state of greater perfection, since those who are there are spiritual, and spiritual things immensely exceed in perfection those that are natural. That such things exist in heaven may be seen in the work concerning Heaven and Hell throughout, particularly in the article concerning Governments in Heaven (n. 213-220); and also in the article on Divine Worship in Heaven (n. 221-227). From these things it may be evident what is meant by "the holy city, New Jerusalem, was seen to descend from God out of heaven." But I proceed to the doctrine itself, which is for the New Church, and which is called Heavenly Doctrine, because it was revealed to me out of heaven; to deliver this doctrine is the design of the present book.