His novitiate was marked by a fervour of humility.
The same doctrines were preached with more of churchly fervour by Maximus the Confessor (580-622).
Both passed through phases of faith, but while even Positivism did not cool George Eliot's innate religious fervour, with George Sand religion was a passing experience, no deeper than her republicanism and less lasting than her socialism, and she lived and died a gentle savage.
This was the central theme of Ritter's philosophy; his religion and his geography were one, and the consequent fervour with which he pursued his mission goes far to account for the immense influence he acquired in Germany.
The fervour of his political convictions effected a change in the style and tenor of his verse.