Above all you must be asking which door is the true one’ not which pleases you best by its paint and paneling. In plain language, the question should never be: ‘Do I like that kind of service?’ but ‘Are these doctrines true: Is holiness here? Does my conscience move me towards this? Is my reluctance to knock at this door due to my pride, or my mere taste, or my personal dislike of this particular door keeper?’