Quotes by Nineteenth Century The greatest invention of the nineteenth century was the invention of the method of invention. Alfred North Whitehead nineteenth-century invention century Titles are too "thin" for the nineteenth century. Henry Ward Beecher nineteenth-century titles century It [ non-Euclidean geometry ] would be ranked among the most famous achievements of the entire [nineteenth] century, but up to 1860 the interest was rather slight. Ivor Grattan-Guinness nineteenth-century achievement would-be Well, well, Henry James is pretty good, though he is of the nineteenth century, and that glaringly. Robert Louis Stevenson nineteenth-century wells century