1394. It is owing to the existence of such perception as enables one to know in an instant what is the quality of another in respect to love and faith, that spirits and angels are joined together into societies in accordance with their agreement, and are separated from fellowship according to their disagreement; and this so exquisitely that there is not the smallest difference which does not dissociate or consociate. Hence the societies in the heavens are so distinct from one another that nothing can be conceived to be more so; and this in accordance with all the differences of love to the Lord, and of faith in Him, which cannot be numbered. Hence comes the form of heaven, which is such as to represent one man; and this form is continually being perfected.