which is quite a different thing from explaining them according to the mechanism of nature. Reflection in accordance with the first maxim is thus not abrogated; on the contrary, we are told to follow it as far as we can.

Nor is it said that these forms would not be possible in accordance with the mechanism of nature. It is only asserted that human Reason in following up this maxim and in this way could never find the least ground for that which constitutes the specific [character] of a natural purpose, although it would increase its knowledge of natural laws. Thus it is left undecided whether or not in the unknown inner ground of nature, physico-mechanical and purposive combination may be united in the same things in one principle. We only say that our Reason is not in a position so to unite them; and that