Zeno of Elea Quotes
The second [argument about motion] is the so-called Achilles, and it amounts to this, that in a race the quickest runner can never overtake the slowest, since the pursuer must first reach the point whence the pursued started, so that the slower must always hold a lead.
Statement of the Achilles and the Tortoise paradox in the relation of the discrete to the continuous.; perhaps the earliest example of the reductio ad absurdum method of proof.
Aristotle. Physics. Translated by R. P. Hardie and R. K. Gaye, Clarendon Press, 1930, p. 239b.
This quotation shows that in the early 18th century well educated people like Swift knew a good bit about parasites even though biology was at a primitive stage and it would be more than a century before Darwin even published his first work on evolution.
Zeno of Elea (c.495 – c.430 BC) was a pre-Socratic Greek philosopher of Magna Graecia and a member of the Eleatic School founded by Parmenides. Aristotle called him the inventor of the dialectic. He is best known for his paradoxes, which Bertrand Russell described as "immeasurably subtle and profound".