I am writin the summary of the the poem tue poet compares the life of a brook wih the life of the man.he says that the brook when comes from haunted places is fresh and is compared to a man at his young age .he behaves as he is so energetic and fresh.the brook slows down when it reaches the plains ,which is compered with a man who has the berdan of his family,his job and surroundings.but the poet concludes that the brook is immortal because it joins the mighty ocean and becomes a part of it.but man is born to die and is mortal.he comparesthe different stages of the brook wih that of man.both the human and brook overcome obstacles.these obstacles are overcome by a dangerous journey in order to reach their destination.the brook goes down to join the river and humans see the end of the circle of life.