Man's concern about God is both a question and a quest. We seek to know with certainty that God is real; we seek also to draw near to God, to know that He is really for us. My aim in this work is to re-think this two-fold concern and to do so with Gabriel Marcel. Throughout the work I have combined the presentation of Marcel's views with a critical examination of his thought, and in the spirit in which Marcel meets his own predecessors and contemporaries I have held myself free to accept, to amend or to reject what he has written. Thus the focus of the work is only incidentally on the...