In his Faith and Knowledge Derrida deconstructs the opposition between religion and knowledge. Paradoxically, on the one hand he calls faith the common source of both religion and knowledge, while on the other hand he is criticizing every religious tradition, taking his starting point in the tradition of enlightenment. This article critically discusses Derrida's thoughts on religion and tracks the force of faith that is at work in his deconstructive strategies. The last section discusses the contrary effects these deconstructive strategies (...) may bring about with regard to tolerance and justice. (shrink)