To the writer: Liked your poem 'I Know...'. Feel, however, that poem might better conclude with second last stanza, which I find both witty and truthful. Present conclusion seems to add nothing the poem might do very well without.
The honking geese are flying low. They winter near here on the lake and marshes. Out back their sound recedes. It falters to a silence, like an orchestra tuning, or a gaggle of children boarding a bus.