A redated post.
There are of course people in our own day to whom the whole situation seems altered by the doctrine of the concealed wish. They will admit that men, otherwise apparently rational, have been deceived by the arguments for religion. But they will say that they have been deceived first by their own desires and produced these arguments afterwards as a rationalization: that these arguments have never been intrinsically even plausible, but have seemed so because they were secretly weighted by our wishes. Now I do not doubt that this sort of thing happens in thinking about religion as in thinking about other things; but as a general explanation of religious assent it seems to me quite useless. On that issue our wishes may favour either side or both. The assumption that every man would be pleased, and nothing but pleased, if only he could conclude that Christianity is true, appears to me to be simply preposterous. – C.S. Lewis "On Obstinacy in Belief"