These ideas emerge from a sociological analysis of how we get the pleasures and satisfactions nearly everyone in the modern world wants. Increasingly, such expectations can be satisfied only if we cooperate with other people-- many of whom are very different from ourselves. The complexity of modern societies also requires that more and more people assume specialized roles and that these specialists work together regardless of national, ethnic, religious, or other differences. The future belongs to those who are best at cooperation and conflict resolution.