The first principle of that Philosophy which has taken its place in Christendom is thus found in the existence of two totalities. This is a reduplication of substance which now, however, is characterized by the fact that the two totalities are no longer external to one another, but are clearly both required through their relation to one another. If formerly Stoicism and Epicureanism, whose negativity was Scepticism, came forth as independent, and if finally the implicitly existent universality of both was established, these moments are now known as separate totalities, and yet in their opposition they have to be thought of as one. We have here the true speculative Idea, the Notion in its determinations, each of which is brought into a totality and clearly relates to the other. We thus have really two Ideas, the subjective Idea as knowledge, and then the substantial and concrete Idea; and the development and perfection of this principle and its coming to the consciousness of Thought, is the subject treated by modern Philosophy. Thus the determinations are in it more concrete than with the ancients. This opposition in which the two sides culminate, grasped in its widest significance, is the opposition between Thought and Being, individuality and substance, so that in the subject himself his freedom stands once more within the bounds of necessity; it is the opposition between subject and object, and between Nature and Mind, in so far as this last as finite stands in opposition to Nature.