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.
Some day, after we have mastered the winds, the waves, the tides, and gravity, we shall harness the energies of love. Then, for a second time in the history of the world, we will have discovered fire.