When you are dealing with contents under pressure blasting their way toward you, your natural impulse is probably to brace yourself. You don’t want to be moved. You want, precisely, to hold your position. It’s too disorienting and stressful to be, as St. Paul so vividly put it in a gaseous rather than a liquid metaphor, “blown about by every wind of doctrine.” Establishing and holding a position in that way is natural, probably inevitable, but it can lead to errors. You become resistant to acknowledging that the