Our earthly lives are waiting to be transformed into our real lives. But Swedenborg would be the first to tell us that a spiritually aware life is one of continuous regeneration, and the first step of regeneration is repentance. Made a searching and fearless moral inventory of ourselves. Admitted to God, to ourselves, and to another human being the exact nature of our wrongs. As we look at the Correspondences in this story, we can discover the answer to that question.
Rocks correspond to truth.
Fisherman are those people who have become fairly accomplished with the stuff of the natural realm, the requirements of the earth-plane, with daily material stuff. Fisherman are us. We are the fisherman that Divine Love and Wisdom calls to. We are the seeds of heaven. Not much by ourselves.