Faith is the substance of hope - of things hoped for and the evidence of things not seen. So if you can hope for it and imagine it and keep imagining and hoping and seeing yourself driving a new car or seeing yourself getting that job or seeing yourself excel seeing yourself help that person - that is faith.
There is a measure needing courage to adopt and enforce it which I believe to be of virtue sufficient to redeem the nation in this its darkest hour: one only I know of no other to which we may rationally trust for relief from impending dangers without and within.