This sacramentalism was not unchallenged, as we have already seen from Plato himself.
Why should not sight be added to the unchallenged datum of the mind.
He was a man of chivalrous instincts and unchallenged probity.
Generally, however, as this incompatibility is accepted, it is not unchallenged.
For almost a thousand years they have been our unchallenged rule of governance.