One of the most violent attacks on the Church in the Soviet Union was under Kruschev when, during a period of economic and political liberalization, he attacked the Church to demonstrate to old Party members that he hadn't lost it.

Ultimately, we live in the face of an irresolvable mystery about our origin and, for that matter, about our end. And what Schleiermacher would have us do is (a) acknowledge that this is the case and (b) accept it as something positive, a point of departure for a life of trusting joy.

But, inevitably, as he [Kierkegaard] approaches what we might call his Christocentric climax many readers drop off. Many scholars just leave that part of his authorship alone.

However, in brief, I think the connecting of 'God' and 'Being' is one of these things for which there seems to be a natural impulse in human thinking but it can also lead to confusions. Religious believers mostly want to see God as the epitome of what is most really real and in some non-theistic contexts, people talk simply of 'Isness'.

Barth's approach tears up any possibility of dialogue between faith and unfaith or between theology and other human sciences. Theology just says what it says on the basis of scripture, and that's that.

Sartre is one example of someone who does just this. Every text is, after all, a human document and whatever Kierkegaard thought about God was clearly a matter of human thought that can, in principle, be retrieved and interpreted by other human beings. A phenomenological approach to religion must, it seems to me, adopt the old adage: nothing human is alien to me.

Perhaps unsurprisingly, there's a paradox here! Kierkegaard's own indirect communication proposes that we start with the experience of those who don't believe and meet them on their own ground. His success in doing this is evidenced by the fact that, at least for some periods of the 20th century, aspects of his work became a major focus for radical thinkers of various kinds, including the non-religious and, interestingly, a significant number of Jewish thinkers (Buber, Rosenzweig, Taubes, and others).