212. As to the particular spheres which constitute the general spheres, each angel and each spirit forms his own sphere, and this has its own changes of state. Thus a general sphere is formed by God Messiah out of particular spheres, and this by the arrangement of angels and spirits into genera and species, or into classes, and as it were, into tribes. Whether there are as many spheres of angels, and also as many contrary spheres, as the tribes of Israel and Jacob, is, as yet, left in doubt.