These are some of the characteristics of the state of mind which the creation and appreciation of haiku demand: Selflessness, Loneliness, Grateful Acceptance, Wordlessness, Non-intellectuality, Contradictoriness, Humor, Freedom, Non-morality, Simplicity, Materiality, Love, and Courage.
Reginald Horace Blyth (1898 - 1964)
Source: Haiku, Volume 1, Section 2, p. 154-
Contributed by: Zaady