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In page All Passion Spent:

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All Passion Spent is a literary fiction novel by Vita Sackville-West. Published in 1931, it is one of Sackville-West's most popular works and has been adapted for television by the BBC. The novel addresses people's, especially women's, control of their lives, a subject about which Sackville-West was greatly concerned although often pointing out that she did not consider herself a feminist.[citation needed] The title is taken from the final three words of John Milton's Samson Agonistes.