"The same leaves over and over again". Indeed. Robert Frost's "In Hardwood Groves" speaks of the cycle of life. Those brown leaves will live again, but first they go back into the ground and be pierced by dancing flowers -- flowers that will have their time under the earth, too.
Is there a bit of wistfulness in the last line, "However it is in some other world, I know that this is the way in ours"?