The Power of Ideals: The Real Story of Moral Choice: Summary & Key Insights

Our work builds upon the strong foundation of moral development theory, especially the traditions following William James, Lawrence Kohlberg, and other thinkers who saw morality not as a fixed trait but as a developmental achievement. Yet we found that most theories of moral development left out something vital—the human capacity to live according to ideals that transcend immediate rewards or social conformity.

Our model begins with the recognition that moral behavior is not mechanically produced by external rules. It springs from within, from the interplay between an individual’s ideals and their sense of personal agency. Ideals, as we define them, are guiding visions of the good. They are both cognitive and emotional constructs: they embody our understanding of moral truth and ignite our desire to realize it. Agency, meanwhile, is the power to act intentionally in pursuit of these ideals. Together, these two forces—ideals and agency—constitute the inner architecture of moral life.

In moral development, ideals often begin as external authorities: parental teachings, cultural narratives, or religious doctrines. Over time, through reflection and life experience, they can become personally owned—transformed into self-defining commitments. This transformation is neither automatic nor inevitable. It requires what we call moral imagination: the ability to envision the practical realities of living one’s ideals amid the complexities of human life. For example, Nelson Mandela’s moral imagination allowed him to transform years of imprisonment into a moral mission of reconciliation rather than revenge.

Another key concept in our framework is purpose. Purpose aligns ideals with goals and gives them a concrete expression in life. Jane Addams’s purpose was to alleviate social inequity through direct community engagement. Her moral ideals of compassion and justice guided every decision she made, from founding Hull House to advocating for world peace. Purpose ensures that ideals do not remain abstract; they become lived commitments that integrate thought, emotion, and action.

Through this lens, we come to see morality not as a set of externally enforced rules, but as a deeply human pursuit of meaning. Ideals guide us toward coherence—toward lives where values, actions, and aspirations align. When that alignment occurs, moral behavior emerges not from fear or compulsion but from conviction.

One of our main aims in writing this book was to challenge the pervasive belief that morality is simply an illusion—the product of genes, instincts, or cultural conditioning. From the early behaviorists to the evolutionary psychologists of our own era, many have claimed that human beings cannot truly act on moral principles. According to this view, so-called moral action is merely the rationalization of self-interest.

We find such a view profoundly mistaken and, more importantly, dispiriting. It denies the very agency that gives life meaning. If people are only puppets of their environment, then acts of moral courage become statistical anomalies; heroes become lucky accidents. We reject this cynicism. Our research and the lives of the exemplars we study show that individuals do, in fact, transcend circumstance.

Consider Chiune Sugihara, the Japanese diplomat in Lithuania during World War II who issued thousands of life-saving visas to Jewish refugees against the direct orders of his government. No deterministic theory—biological, economic, or sociological—can explain his decision. Sugihara defied every incentive of self-preservation and social conformity. He acted from moral conviction, guided by the principle of human dignity. Deterministic models leave no space for such moments of moral freedom. Yet these moments define our humanity.

Moral idealism, as we use the term, does not mean naïveté. It acknowledges constraints. It recognizes the power of circumstance. But it also insists that human beings can choose to act otherwise. This is not wishful thinking—it is empirically grounded in the study of real lives. When Eleanor Roosevelt championed human rights at the United Nations, she did so in the face of political hostility and personal doubt. Her choices cannot be explained merely by social conditioning or political calculation. They reflect the internalization of moral ideals that had become her compass.

By confronting determinism, we restore faith in moral education, personal responsibility, and civic possibility. If people truly can act from ideals, then cultivating those ideals becomes one of the highest aims of human development.