True hope dwells on the possible, even when life seems to be a plot written by someone who wants to see how much adversity we can overcome. True hope responds to the real world, to real life; it is an active effort.
Prayer obtains what it is due to obtain — not what I personally want to obtain, which is different. It is useful that islands of prayer exist in the world, even if they are composed of only one person, or two, or three, or four.