Is Evolution a Fact or a Theory? Both. In Darwin's day, and before, many naturalists theorized that living things were somehow related in a manner beyond that of their obvious common differences from non-living matter. These speculations, including those of Darwin, are appropriately termed theori...

In Great Expectations, by Charles Dickens, light is used symbolically through the example of Estella. Miss Havisham brings Estella up in the darkness, consequently sheltering her from the true meaning of life. By Miss Havisham's orders, the house in which Estella lives is lit only by artifi...