Who so wishes to have insight into the sacred unity, let him consider a flame rising from a burning coal or a lamp. You will see first a two-fold light - a bright white, and a black or blue light; the white light is above, and ascends in a direct light, while the blue, or dark light, is below, and seems as the chair of the former, yet both are so intimately connected together that they constitute only one flame. The seat, however, formed by the blue or dark light, is again connected with the burning matter which is under it again. The white light never changes its colour, it always remains white; but various shades are observed in the lower light, while the lowest light, moreover, takes two directions; above, it is connected with white light, and below with the burning matter. Now, this is constantly consuming itself, and perpetually ascends to the upper light, and thus everything merges into a single unity.