One should not focus on the differences between people but look for commonality and similarity.
Theodore LevittSelling concerns itself with the tricks and techniques of getting people to exchange their cash for your product. It is not concerned with the values that the exchange is all about. And it does not, as marketing invariable does, view the entire business process as consisting of a tightly integrated effort to discover, create, arouse and satisfy customer needs.
Theodore LevittIdeation is not a synonym for innovation, conformity is not its simple antonym, and innovation is not the automatic consequence of "creative thinking.".
Theodore Levitt