Quotes · Quote card
Quotation from Elements, Book I by Euclid
“Euclid’s object was to teach Theoretical and not Practical Geometry, and the only things he postulates are the drawing of right lines and the describing of circles.”
Elements, Book I, Book I, note to Prop. II, trans. John Casey
Casey's note explaining why Euclid troubles to prove that a length can be copied to a new point.
Citation: "Euclid’s object was to teach Theoretical and not Practical Geometry, and the only things he postulates are the drawing of right lines and the describing of circles." — Euclid, Elements, Book I, Book I, note to Prop. II, trans. John Casey. (id euclid-elements-book-i-q5)
Portrait: Euclidi Megaren (Euclide) - Studiolo di Federico da Montefeltro, Justus van Gent / Pedro Berruguete, Public domain.
