If it is hope that maintains and upholds faith and keeps it moving on, if it is hope that draws the believer into the life of love, then it will also be hope that is the mobilizing and driving force of faith's thinking, of its knowledge of, and reflections on, human nature, history and society. Faith hopes in order to know what it believes. Hence all its knowledge will be an anticipatory, fragmentary knowledge forming a prelude to the promised future, and as such is committed to hope. Hence also vice versa the hope which arises from faith in God's promise will become the ferment in our thinking, its mainspring, the source of its restlessness and torment.
