Use "radical sign" in a sentence

1. ’ Here, then, Christ sets aside, once for all, the sense of a 'merely moral’ or 'spiritual’ life and death, and shows by the contrast of the physical death, died by the manna-eating fathers, what was the radical signification of the life which comes with the bread of heaven

2. But the question is, Are we to trace the figure in the tense, or in the radical signification of the terms? We submit that the figure is in the tense