Theological language as a problem under research is especially a controversial one. The question of language enerpsrise is crucial if we are willing to concider theology as a rational and/or critical discipline despite its „object“ or „religious substance“ which can be defined as irrational in the sense of divine mistery. The reflection of a specific referential system which is constituted by theological propositions uncovers peculiar logic of theological language which in turn is always in correlation with basic shifts in philosophy. The paper questions this mutuality as well as presents several characteristic controversies in contemporary theology, particularly in the protestant one. After these goals are achieved, it is possible to formulate concluding  ideas about the problem of cognitive value of revelation, and, on the other hand, about the influence of concrete forms of knowledge (modern ontology) for the structures of faith.