In "Of Modern Poetry" by Wallace Stevens, he says
"It has to be living, to learn the speech of the place."
In the Analyzing the poem section of Wikipedia, it says:
"the act of the mind is not past, present, or future. It is ongoing."
I feel that haiku have to do this, and in so doing it has its own presence (and absence) at the same time.
(Assistant Professor of English at Kenyon College and author of The Play of the World)
Wayne State University Press 1981
James S. Hans says that although he's not in total agreement that he's indebted to the following works:
so much depends
a red wheel
glazed with rain
beside the white
Williams, William Carlos
"XXII", Spring and All (New York: Contact Editions / Dijon: Maurice Darantière, 1923).
a blackbird hops
along its notes