What is the central idea of 'the brook'?

The poem is about a long stream . The poet starts the poem by describing the journey of the stream,it starts from a place that is frequently visited by coot(a water bird with a white spot on the head) and hern(heron;another type of water bird) and make a sudden emerge. They flows out among te bushes and flow down a Vally with lot of noise. It crosses thirty hills , slip down the ridges, twenty villages, fifty bridges. The poet also do a comparison between stream and human that man take birth and die but i live forever. The poem is mainly about the journey of stream and how at philip's farm it join the river. The poet also has created a beautiful picture of nature like blossom sailing on stream , the falling sun lights forming a sparkle net on stream ,the mixture of sand and stones forming a silvery water break, of a type of flower that grow for happy lovers.

The poem will refresh the streams of brains and invite you to enjoy the nice cool winds flowing near the stream