I, for one, consider that with many men their faith has become uninteresting to them, because they have not grow out of the metaphor, the imagery of it, into a rational understanding. In everything else, their mind has become a man's mind; they have put away the things of a child. In matters of Faith alone, they still are bound to speak as a child, to understand as a child, with the result that Faith has become insipid to their virile minds.
From a book written in 1913, this short passage has much to say to about catachesis today.