Georg Wilhelm Friedrich Hegel,
The Philosophy of Fine Art, volume 4…
“ The unity of time is a precisely similar case. In the pure realm of imaginative idea we may no doubt, with no difficulty, combine vast periods of time; in the direct vision of perception we cannot so readily pass over a few years. If the action is, therefore, of a simple character, viewed in its entire content and conflict, we shall do best to concentrate the time of such a conflict, from its origin to its resolution, in a restricted period. ”
