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…eludes definition
Ultimately, haiku eludes definition. –Cor van den Heuvel, The Haiku Anthology Preface to the Second Edition, 1986
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…not simply the chopping
…haiku is not simply the chopping off of a chunk of Western poetry, arranging it into three lines, and making it look like a haiku. –Jane Reichhold, Writing and Enjoying Haiku First Edition 2002
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…no general consensus
After about twenty-five years of English-language haiku, do we know what a haiku is? There seems to be no general consensus—which may be a sign of its health and vitality. –Cor van den Heuvel, The Haiku Anthology Preface to the Second Edition, 1986
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…fundamentally existential and experiential
In essence I regard haiku as fundamentally existential and experiential, rather than literary. –J.W Hackett, The Way of Haiku 1969
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…a kind of humorous verse
Haiku itself began as a kind of humorous verse, and one can still write a funny haiku. –Cor van den Heuvel, The Haiku Anthology Preface to the Second Edition, 1986
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…a form genre
Because haiku is a form genre—a kind of poetry that is built on certain rules—one must adopt some rules in order to write it. –Jane Reichhold, Writing and Enjoying Haiku First Edition 2002
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…relates to nature and the seasons
…haiku relates to Nature and the seasons, senryu relates to human nature. Traditionally, the Japanese have ensured this by insisting that to be a haiku the poem must have a season word (kigo), while a senryu does not. They have always had the same form. –Cor van den Heuvel, The Haiku Anthology Preface to the Second Edition, 1986
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…a modern term for hokku
Haiku (haikai part) : a modern term for hokku. Hokku (opening part) : the initial part, in 5-7-5 syllables, of a renga sequence. -Hiroaki Sato, One Hundred Frogs First Edition 1983