the quest for freedom of thought. Spiritual and religious Some religious groups including the União do Vegetal, the Native American Church, the Bwiti religion and the Rastafari movement (see religious and spiritual use of cannabis) use psychoactive substances as sacrament in religious rituals. In some religious practice, drugs are sometimes used as a conduit to an oceanic feeling or divine union, equated with mysticism or entheogenic ('that which causes God to be within an individual') experiences. In others, the 'entactogenic' qualities of drugs are used to enhance feelings of empathy among congregations. Personal development and exploration Some people believe that altered states of consciousness enable many people to push the boundaries of human experience, knowledge, and creativity. There is thus a moral imperative to use drugs in terms of human progress, teleological development, or just increased artistic creativity; such ideas are central to Cognitive Liberty, Stoned Ape Hypothesis and Aldous Huxley's The Doors of Perception. In PiHKAL, Alexander Shulgin, argues that the psychedelics help us learn about ourselves; indeed that is where the name "psychedelic" (mind expanding) comes from. Moral and ethical reasons Moral arguments for prohibitive drug laws Moral arguments for drug law reform Many people, including some religious groups, argue that the war on drugs is itself immoral. In 2007, Richard Brunstrom, the Chief Constable of North Wales, one of Britain's most senior police officers, said "If policy on drugs is in future to be pragmatic not moralistic, driven by ethics not dogma, then the current prohibitionist stance will have to be swept away as both unworkable and immoral, to be replaced with an evidence-based unified system (specifically including tobacco and alcohol) aimed at minimisation of harms to society." The author and physician Andrew Weil has commented on the peculiar attitude and emotional bias of some people who think "drug taking is bad", but who nevertheless consume alcohol, and formulate the unhelpful conception "We drink. Therefore alcohol is not a drug." The UK drug policy reform group Release believe that the stigma attached to drug use needs to be removed. Release's actions have included challenging such stigmatisation with its "Nice People Take Drugs" advertising campaign. Political Sending out signals Arguments for sending out signals Some argue that sending out signals should be a consideration of drug policy. Previous UK Home Office Minister Vernon Coaker argued "is not part of any system with respect to drugs ... not only