impotence

And yet most wonderful of all, he, being an old man, with the sinews of his body unstrung and his muscles relaxed and his nerves weakened, grew a young man again in the spirit of his Reason and with Isaac-like Reason turned the hydra-headed torture to impotence.

We six youths have overthrown thy tyranny. 'For is not thine impotence to alter our Reason or force us to eat unclean meat an overthrow for thee?