Richard assented, and they trudged on silently for some time.  The morning air cooled Dick's fevered pulse, and the exercise shook off the sort of dream that had taken hold of him.  His sober reason began to awaken, and then, almost with the distinctness of a living voice, the words flashed back on him: "It is to secure the just liberties of the people of God that thou art pledged to live or die for it."