Introduction
The interplay between law and morality has long been a contentious issue in legal studies, particularly within the field of international law, where moral principles often intersect with enforceable norms (Hart, 1963). This essay evaluates whether morality can be considered certain—meaning objective, fixed, and universally applicable—and thus enforceable through legal mechanisms. Drawing on decided case law from English jurisprudence, which influences international legal perspectives, it argues that morality is inherently uncertain due to its subjective and evolving nature, making its enforcement inconsistent. Key points include an analysis of positivist and natural law theories, supported by cases such as Shaw v DPP [1962] and R v Brown [1993], to assess the certainty and enforceability of moral standards. The discussion highlights limitations in applying morality uniformly, aiming to provide a balanced evaluation for undergraduate study in this area.
Theoretical Foundations of Law and Morality
In legal theory, the debate over morality’s role in law pits legal positivists against natural law advocates. Positivists, like H.L.A. Hart, argue that law is separate from morality, enforceable only through recognized rules, regardless of moral content (Hart, 1963). Conversely, natural law theorists contend that immoral laws lack validity, implying morality’s certainty as a basis for enforcement. However, case law reveals morality’s uncertainty. For instance, in Shaw v DPP [1962] AC 220, the House of Lords upheld a conviction for “conspiracy to corrupt public morals” involving a directory of prostitutes. Lord Simonds asserted that courts could fill gaps in law by enforcing societal morals, suggesting morality as a certain, enforceable standard. Yet, this decision faced criticism for vagueness; what constitutes “public morals” is subjective and changes over time, as evidenced by evolving attitudes toward sexuality (Devlin, 1965). Indeed, this case illustrates how morality, far from certain, is shaped by judicial discretion, leading to inconsistent enforcement.
Furthermore, the Hart-Devlin debate underscores this point. Devlin (1965) defended enforcing shared morality to preserve social order, but Hart countered that private moral choices should not be criminalized unless they cause harm. This theoretical tension highlights morality’s fluidity, making it challenging to enforce reliably in international contexts, where diverse cultural morals clash.
Case Law Analysis: Uncertainty in Enforcement
Decided cases further demonstrate morality’s lack of certainty. In R v Brown [1993] 1 AC 212, the House of Lords criminalized consensual sadomasochistic acts among adults, partly on moral grounds, rejecting consent as a defence for acts deemed contrary to public morality. Lord Templeman argued that such behaviour offended societal standards, implying an enforceable moral code. However, dissenting opinions and subsequent critiques, such as those in the European Court of Human Rights (Laskey v UK [1997] 24 EHRR 39), questioned this, noting that morality evolves—homosexuality, once immoral and illegal, was decriminalized post-Wolfenden Report (Home Office, 1957). This evolution shows morality is not fixed; what was enforceable in 1967 (pre-Sexual Offences Act) became unacceptable, rendering enforcement unpredictable.
Another example is Dudley and Stephens (1884) 14 QBD 273, where necessity was rejected as a defence for murder and cannibalism at sea. The court prioritized a moral absolute against killing, enforcing it despite dire circumstances. Yet, critics argue this moral stance was not universally certain; cultural relativism in international law might view survival differently (Fuller, 1949). These cases reveal that while courts sometimes enforce morality, its subjectivity— influenced by time, culture, and judges—undermines certainty. Arguably, this limits enforceability, as inconsistent application erodes legal predictability.
Challenges and Implications in International Law
In international law, enforcing morality is even more problematic due to global diversity. Cases like Shaw and Brown, while domestic, inform international human rights discussions, such as in the Universal Declaration of Human Rights (1948), which embeds moral principles but struggles with enforcement amid cultural variances. For instance, moral views on issues like euthanasia vary, complicating uniform application (Dworkin, 1993). This uncertainty suggests that morality, when uncertain, should not be the sole basis for enforcement, aligning with positivist views that prioritize clear legal rules.
Conclusion
In summary, decided case law such as Shaw v DPP [1962] and R v Brown [1993] illustrates that morality is not certain, being subjective and mutable, which hampers its enforceability. While courts have enforced moral standards in specific contexts, the evolving nature of morality leads to inconsistencies, particularly in international law. This evaluation highlights the need for law to rely on positive rules rather than vague morals to ensure fairness. Implications include a call for clearer guidelines in jurisprudence to balance moral considerations with legal certainty, fostering more equitable enforcement globally.
References
- Devlin, P. (1965) The Enforcement of Morals. Oxford University Press.
- Dworkin, R. (1993) Life’s Dominion: An Argument About Abortion, Euthanasia, and Individual Freedom. Knopf.
- Fuller, L.L. (1949) ‘The Case of the Speluncean Explorers’, Harvard Law Review, 62(4), pp. 616-645.
- Hart, H.L.A. (1963) Law, Liberty, and Morality. Stanford University Press.
- Home Office (1957) Report of the Committee on Homosexual Offences and Prostitution (Wolfenden Report). Her Majesty’s Stationery Office.
