We can never prove that we are free or integrate our freedom in any way into our objective conception of the causal order of nature.

It is absurd for anyone to think that Soviet "Marxism" is a correct application of the thought of Karl Marx. No doubt Soviet propaganda represented it this way. But who believes Soviet propaganda? It is remarkable (but maybe not so remarkable after all, when you consider their motives) that apologists for capitalism, who would not accept Soviet propaganda on any other point, are eager to agree with it on this point.

Fichte is a necessary step to both Hegel and Marx.

Kant did think he had a moral route back to rational faith in God, for those who need it, and he thought that at some level, we all do need something like it.

I think the term "Kantian constructivism" as an oxymoron. Kant was a constructivist about mathematics, but not about ethics.

Kant certainly was sympathetic with the metaphysical tradition of rational theology that he criticized.

People are often most proud of precisely those things of which they should most be ashamed.