“The New Song” by W.S. Merwin

For some time I thought there was time
and that there would always be time
for what I had a mind to do
and what I could imagine
going back to and finding it
as I had found it the first time
but by this time I do not know
what I thought when I thought back then

there is no time yet it grows less
there is the sound of rain at night
arriving unknown in the leaves
once without before or after
then I hear the thrush waking
at daybreak singing the new song