77. [76.] That the spirits who surround Muhammad are introduced by angelic choirs into a state of unanimity and concord in order that they may allow themselves to be acted upon and think, will and speak from the Lord through angels. (Regarding choirs, see above.*) I both saw and heard them produce through these choirs beautiful representations relating to the Lord, the Savior of the world. That choirs were presented by Muslims to much acclaim. Muslim choirs became more familiar to me than any others. Because I spent considerable time with Muhammad, on one occasion, too, when I was in Amsterdam and in the court there (which he saw through my eyes and praised), he was taken with delight by the works of marble there, marble objects corresponding to the affections of Muslims who are in some degree spiritual. For all things are correspondent forms. Articles of gold correspond to affections of angels of the third heaven; articles of silver to those of the second heaven; articles of copper to those of the first heaven; and articles of oriental porcelain** to the lowest affections in heaven to Muslim affections, articles of marble. * No. [71]. ** Literally, "Indian porcelain."