All of the statements are getting at something important in the unit. Many times, you can change it only one way. The greatest century is the 18th because of all the scientific advancements made. Durant conceived of Luther and Erasmus as opposites in character and personality. The primary qualities of the universe were those existing only in the sensation of someone.
Color is a secondary quality.
The idol of the cave was an allegory advanced by Galileo. Bacon was famous for deductive reasoning. Modern philosophy begins with Bacon because he directed man's attention to himself. Dualism was advanced through the notion of primary and secondary qualities. Psychophysical parallelism was a kind of dualism.