To delve further into faith is to be lost for unknown places to be found. In McCabe's article about faith found in his book “God, Christ and Us“ is a study of three possible definition of faith, one of which is extensively discussed by the author. Faith can be treated as a notion to believe without skepticism, as a means to belong, and as a firmly held belief of what we hope for.
Warning: This is not for the faint of heart. Nor is it for the radical believers. Maybe I am just exaggerating. :-) But do consider you are reading a composition made by a free thinker.