“If only I had some grease I could fix some kind of a light," Ma considered. "We didn't lack for light when I was a girl before this newfangled kerosene was ever heard of." "That's so," said Pa. "These times are too progressive. Everything has changed too fast. Railroads and telegraph and kerosene and coal stoves--they're good things to have, but the trouble is, folks get to depend on 'em.”
![“Next came the Patent laws. These began in England in 1624; and, in this country, with the adoption of our constitution. Before then [these?], any man might instantly use what another had invented; so that the inventor had no special advantage from his own invention. The patent system changed this…” quote by Abraham Lincoln](https://sms4smile.com/quotes/img-quotes/449/abraham-lincoln-88_adoption_next-came-the-patent-laws-these-began-in_1828.jpg)
