392. These two movements, the cardiac and the pulmonic, derive their origin and persistence from this, that the whole angelic heaven, in general and in particular, is in these two movements of life; and the whole angelic heaven is in these movements because the Lord pours them in from the sun, where He is, and which is from Him; for these two movements are maintained by that sun from the Lord. It is evident that such is their origin since all things of heaven and all things of the world depend on the Lord through that sun in a connection, by virtue of form, like a chain-work from the first to outmosts, also since the life of love and wisdom is from the Lord, and all the forces of the universe are from life. That the variation of these movements is according to the reception of love and wisdom, also follows.