Can we prove that happiness is the ultimate goal of human existence?

Art · Published 3 October 2026 Swipe more like this →

In short: John Stuart Mill’s 1861 essay Utilitarianism remains the most influential defense of a liberal humanistic morality. By arguing that actions are right when they promote happiness and wrong when they produce pain, Mill attempted to refine Jeremy Bentham’s earlier theories into a framework that accounts for intellectual pleasures and character.

Published in 1863 as a single volume after appearing as a series of articles in Fraser's Magazine, Mill’s work sought to address the myriad criticisms leveled against utilitarianism. Critics famously dismissed the theory as a doctrine fit only for swine, arguing that it reduced human life to mere physical pleasure. Mill countered by distinguishing between the quantity and quality of pleasures, asserting that intellectual pursuits—such as art, friendship, and reading—are inherently more desirable than bodily sensations.

Mill’s ethical system relies on the greatest-happiness principle, which posits that the goal of life is to maximize happiness for the aggregate of all persons. In his fourth chapter, Mill attempts a quasi-proof of this principle, suggesting that because people actually desire happiness, it must be desirable. This argument has faced significant scrutiny; critics question whether individual happiness can be logically aggregated or if the general good might sometimes require the unjust sacrifice of individual rights.

To address concerns that utilitarianism is too demanding or impractical for daily life, Mill introduced a two-tier approach. He argued that society relies on secondary principles, such as the duty to tell the truth or keep promises, which have proven their worth over time. We should generally follow these rules, only appealing directly to the principle of utility when these secondary guidelines conflict. This nuanced framework helped establish utilitarianism as the dominant ethical theory in Anglo-American philosophy, remaining a live, debated option in contemporary ethics today.

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