I really can't recommend Richard Holloway's Doubts and Loves highly enough - it really is a superbly written and challenging book. The following paragraph had me reading it over and over again as I came to terms with it.
Everyone who is successful in life is complicit in the way the world works, the way of institutional power, the way that creates expendable people who may be sacrificed for the sake of the larger group.
And later ...
...it is precisely those who deviate from tradition, because of their proneness to doubt and reflection, who provide the means for its development and continuance. The very people who are persecuted by the system for their heresy and corruption may be the agents that preserve what is enduringly sound in the tradition in question.