God must be worshipped spiritually by prayer and the will to be good, not in outward action.
Christ, he said, is present spiritually, so that the elements, while remaining what they were, unremoved and undestroyed, are advanced to be something better: omne cui a Deo benedicatur, non absumi, non auferri, non destrui, sed manere et in melius quam Brat necessario provehi.
The man who carried in his brain so many images of subtle beauty, as well as so much of the hidden science of the future, must have lived spiritually, in the main, alone.
Spiritually, therefore, the Third Crusade is inferior to the First, however imposing it may be in its material aspects.
While this sceptical thesis was embraced by philosophers who had lost their interest in religion, the spiritually minded sought their satisfaction more and more in a mysticism which frequently cast itself loose from ecclesiastical trammels.