Original sentence: Education teaches that skepticism is always appropriate.In a similar way, however, such logical conclusions, proceeding from the defined meanings of words, may be classed as "opinion" and dismissed.Indoctrination forbids inappropriate examinations.The subtle effects of a highly indoctrinated environment may rise unexpectedly to the surface in examining a culturally-freighted term such as "knee-jerk skeptic": the hearer recognizes immediately the cognate expression "knee-jerk liberal", describing a person considered to be thoughtlessly and inappropriately liberal, instinctively and on all occasions.Then the sub-text presents itself: it has been assumed, conversely, that there also exist subjects in which a skeptic analysis is inappropriate