it as an additional wing or part of another building, but as a whole in itself, although we may subsequently make a passage from it into that other or conversely.

If then we introduce into the context of natural science the concept of God in order to explain the purposiveness in nature, and subsequently use this purposiveness to prove that there is a God, there is no internal consistency in either science [i.e. either in natural science or theology]; and a delusive circle brings them both into uncertainty, because they have allowed their boundaries to overlap.

The expression, a purpose of nature, already sufficiently prevents the confusion of mixing up natural science and the occasion that it gives for judging teleologically of its objects, with the consideration of God, and so of a