Critique of Judgement by Immanuel Kant Chapter 91 Page 14

without any adequate ground; but, is grounded as in Reason (although only in respect of its practical employment), and adequately for its design. For without this, the moral attitude of thought in its repudiation of the claim of the theoretical Reason for proofs (of the possibility of the Objects of morality) has no permanence; but wavers between practical commands and theoretical doubts. To be incredulous means to cling to maxims, and not to believe testimony in general; but he is unbelieving, who denies all validity to rational Ideas, because there is wanting a theoretical ground of their reality. He judges therefore dogmatically.

A dogmatical unbelief cannot subsist together with a moral maxim dominant in the mental attitude (for Reason cannot command one to follow