Jonathan Swift's Verse on Fleas and Parasitic Chains
Poet involved
What happened
Jonathan Swift's satirical poem 'On Poetry: A Rhapsody' (1733) included the celebrated passage about the infinite chain of parasitism: 'So Nat'ralists observe, a Flea / Hath smaller Fleas that on him prey; / And these have smaller Fleas to bite 'em, / And so proceed ad infinitum.' Swift's passage drew on contemporary natural history and philosophy — including awareness of Leeuwenhoek's microscopic discoveries — to create a satirical image of parasitism as the fundamental structure of literary patronage, political power, and social life.
Literary impact
Swift's flea passage became one of the most quoted parasite images in the English literary tradition, cited by scientists (Augustus De Morgan extended it into a mathematical poem), philosophers, and writers across the eighteenth, nineteenth, and twentieth centuries. It transformed the flea from a merely comic or erotic object (as in Donne) into a model of systemic parasitic exploitation. The image of parasites preying on parasites preying on parasites gave political and social poets a powerful framework for analysing power hierarchies that remains potent today.
Source: Wikipedia
