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As long as skies are blue, and fields are green Evening must usher night, night urge the morrow, Month follow month with woe, and year wake year to sorrow

Percy Bysshe Shelley (1830). “The Beauties of Percy Bysshe Shelley: Consisting of Miscellaneous Selections from His Poetical Works. The Entire Poems of Adonais and Alastor, and a Revised Edition of Queen Mab, Free from All the Objectionable Passages. With a Biographical Preface”, p.214
As long as skies are blue, and fields are green Evening must usher night, night urge the morrow, Month follow month with woe, and year wake year to sorrow