"Eureka! (I have found it!)" - ARCHIMEDES, quoted by Vitruvius Pollio in De Architectura

"I don't think necessity is the mother of invention - invention, in my opinion, arises directly from idleness, possibly also from laziness. To save oneself trouble." - AGATHA CHRISTIE, An Autobiography

"Invention breeds invention." - RALPH WALDO EMERSON, Society and Solitude

"Then felt I like some watcher of the skies
When a new planet swims into his ken;
Or like stout Cortez when with eagle eyes
He star'd at the Pacific - and all his men
Look'd at each other with a wild surmise
Silent, upon a peak in Darien."
- JOHN KEATS, On First Looking into Chapman's Homer

"Name the greatest of all the inventors: Accident." - MARK TWAIN, Notebooks