England, with her climate of more than vernal freshness, and in whose summer skies, and rich autumnal clouds, the observer of Nature may daily watch her endless varieties of effect.. ..to one brief moment caught [by the artist] from fleeting time..
Source, in full
Quote from Constable's Introduction of the 1833 edition of English landscape scenery, as cited in Constable's English Landscape Scenery, Andrew Wilton, British Museum Prints and Drawings Series, 1979; as quoted in: 'A brief history of weather in European landscape art', John E. Thornes, in Weather Volume 55, Issue 10 Oct. 2000, p. 368
Notes from Wikiquote
Constable expressed - in his Introduction to the 1833 edition of English landscape scenery - similar sentiments as contemporary landscape-painter Turner, according to Andrew Wilton