Handling this month after month seemed an insurmountable task.
It would be a hard, though probably not insurmountable, task to establish " a reasonable proportion," such as provided for in Art.
But, as applied to lower and more obscure forms of life, teleology presented alfnost insurmountable difficulties; and consequently, in place of exact experiment and demonstration, the most reckless though ingenious assumptions were made as to the utility of the parts and organs of lower animals.
Some decades ago these difficulties were not insurmountable, when critics assigned a Neronic date to the Apocalypse and a Domitianic or later date to the Gospel.
The growth of national kingdoms, the anti-clerical tendencies of the emancipated middle classes, the competition of lay imperialisms, and all the other elements of resistance which had been encountered by the papacy in its progress and had at first tended only to shackle it, now presented an insurmountable barrier.