The Modern Shift in Moral Psychology and Its Tension with Religious Morality

The Five Foundations of Human Morality

American social psychologist Jonathan Haidt proposed that human moral reasoning is built upon several fundamental psychological foundations.

These foundations shape how individuals and societies judge right and wrong.

Care / Harm

This foundation emphasizes compassion, empathy, and the protection of others from suffering. It underlies the moral intuition that we should avoid causing harm and should care for those who are vulnerable.

Fairness / Cheating

This foundation concerns justice, rights, reciprocity, and equality. It motivates people to value fairness and to oppose exploitation, dishonesty, or unfair advantage.

Loyalty / Betrayal

This foundation centers on group solidarity and allegiance. It encourages loyalty to one’s community, nation, family, or religious group, and it condemns betrayal of those bonds.

Authority / Subversion

This foundation relates to respect for hierarchy, tradition, and legitimate authority. It supports values such as obedience, social order, and reverence for established institutions.

Sanctity / Degradation

This foundation concerns ideas of purity, sacredness, and moral contamination. It often shapes attitudes toward religious practices, bodily conduct, and behaviors considered taboo.

The Post-Enlightenment Shift in Moral Emphasis

Many modern moral objections to religious doctrines—such as debates surrounding the problem of hell or questions about divine power and human free will—are largely products of the intellectual climate that emerged after the Enlightenment.

Beginning in the 18th and 19th centuries, a major shift occurred in Western moral psychology. 

Over time, two moral foundations began to dominate moral discourse:

Care / Harm

Fairness / Cheating

In contemporary Western societies, moral reasoning is often framed almost entirely in terms of these two principles—reducing moral evaluation to questions about preventing harm and ensuring fairness.

The Resulting Tension with Traditional Religious Morality

Traditional religious moral systems tend to draw on all five moral foundations. In particular, they often place strong emphasis on:

Loyalty to religious communities and traditions

Respect for authority, including divine command and religious institutions

Sanctity, especially regarding purity, sacred practices, and moral boundaries

However, in modern secular moral discourse these three foundations—loyalty, authority, and sanctity—are frequently downplayed, dismissed, or viewed with suspicion.

As a result, when traditional religions are evaluated primarily through the narrower lens of care and fairness, many of their teachings can appear irrational, harsh, or morally outdated to modern observers.

From the perspective of religious traditions, however, this perception arises not necessarily because religious morality has changed, but because the moral framework used to judge it has shifted.