First, we have to examine that of which eternity consists, according
to those who consider it as different from time; for, by gaining a
conception of the model (eternity), we shall more clearly understand
its image called time.[438] If then, before observing eternity, we form
a conception of time, we may, by reminiscence, from here below, rise to
the contemplation of the model to which time, as its image, resembles.