I found marketing to be highly descriptive and prescriptive, without much of a foundation in deep research. I brought in economics, organization theory, mathematics, and social psychology in my first edition of Marketing Management in 1967. Today Marketing Management is in its 15th edition and remains the world's leading textbook on marketing in MBA programs. Subsequently, I wrote two more textbooks, Principles of Marketing and Marketing: an Introduction.

One of the major causes of poverty is a lack of family planning. Governments and nonprofit organizations need to encourage poor people to use birth control so that they don't have unexpected babies, which will only make poorer families poorer.

Marketing is not the art of finding clever ways to dispose of what you make. It is the art of creating genuine customer value.

Every company should work hard to obsolete its own product line - before its competitors do.

The key to branding, especially for smaller firms, is to focus on a limited number of issue areas and develop superb expertise in those areas.

Too much of the income gains go to too few people, even though all of the stakeholders worked together to make their companies successful. By failing to put enough income into more hands, the GDP grows slower and consumers manage to meet their needs by incurring high levels of debt.

We need to take a close look at the relationship between the economic system of Capitalism and the political system of Democracy. A democracy with high concentrations of private wealth buys votes and interferes with the ability of Capitalism to perform well. It is no longer one citizen, one vote.