If a country has an entrenched constitution, a special majority for changes to the constitution may be required, making changes to the law more difficult. A government usually leads the process, which can be formed from Members of Parliament (e.g. the UK or Germany). However, in a presidential system, the government is usually formed by an executive and his or her appointed cabinet officials (e.g. the United States or Brazil). A judiciary is theoretically bound by the constitution, just as all other government bodies are.
Immanuel Kant believed a moral imperative requires laws “be chosen as though they should hold as universal laws of nature”. Jeremy Bentham and his student Austin, following David Hume, believed that this conflated the “is” and what “ought to be” problem. Bentham and Austin argued for law’s positivism; that real law is entirely separate from “morality”. Kant was also criticised by Friedrich Nietzsche, who rejected …