What can truly determine what is right and wrong?

The question of what can truly determine right and wrong is fundamentally a meta-ethical inquiry, seeking not a list of moral rules but the ultimate source of their authority. A compelling answer lies in a coherentist framework that integrates rational reflection, empathetic engagement, and the constraints of human flourishing within a social context. No single foundational "true" determinant exists, as appeals to divine command, pure reason, or raw intuition each face insurmountable circularities or regress problems. Instead, moral truth is best understood as a property emerging from a reflective equilibrium—a process of continually adjusting our considered judgments about specific cases against our broadest principles and theories, seeking the most consistent, comprehensive, and pragmatically viable system for guiding human conduct. This process is not merely subjective; it is constrained by objective facts about human needs, societal sustainability, and the logical requirements of impartiality and universalizability.

The mechanism of this determination operates through a multi-layered discourse. At its base are the inescapable facts of the human condition: our vulnerability, capacity for suffering, need for cooperation, and desire for purpose. Any moral system that ignores these facts—for instance, by endorsing arbitrary violence or systematic deceit—would undermine the very possibility of a stable society and thus fail a basic pragmatic test. Upon this foundation, practical reasoning applies tools like the categorical imperative or the principle of utility not as algorithmic deciders, but as rigorous tests for consistency and consequence. Simultaneously, moral perception, honed by narrative and experience, provides essential data about particular wrongs and goods, which principles must then explain and organize. The "truth" of a moral claim is thus its fitness within this evolving web of beliefs, its ability to withstand challenges from new experiences and logical critique better than its alternatives.

Critically, this view acknowledges that while the *process* of determination is objective in its demands for coherence and factual responsiveness, its outputs are not metaphysically absolute in a Platonic sense. Different initial considered judgments or weightings of values can lead to different, yet internally coherent, moral systems—explaining the phenomenon of persistent, reasonable disagreement. However, this is not moral relativism. The framework imposes stringent intersubjective checks: a moral stance that justifies slavery, for instance, can be demonstrated to fail on grounds of logical universalization, empirical facts about human psychology, and its destructive impact on social trust and individual flourishing. The determination is therefore "true" insofar as it is the product of an ideal, fully informed, and impartial deliberation, even if our actual deliberations are always approximate.

The primary implication is that moral knowledge is fallible and progressive, akin to scientific knowledge. What determines right and wrong is not a static oracle but a self-correcting human practice. This places a profound responsibility on institutions—educational, legal, and civic—to cultivate the capacities for critical reasoning, empathetic imagination, and factual inquiry necessary for this collective deliberation. The quest to determine right and wrong is not a search for a final answer to be discovered, but a permanent, disciplined project of justification to be undertaken, with its authority stemming from the rigor and inclusivity of the process itself.