Anthropocentrism interprets or regards the world in terms of human values and experiences. Nudge is a concept in behavioural economics, political theory, and behavioural sciences which proposes positive reinforcement and indirect suggestions as ways to influence the behaviour and decision making of groups or individuals. The applications of subliminal stimuli are often based on the persuasiveness of a message. Visual stimuli are often masked by forward and backward masks so that they can be displayed for longer periods of time without the subject being able to recognise the priming stimuli. A forward mask is briefly displayed before the priming stimulus and a backward mask usually follows it to prevent the subject from recognising the stimulus. Auditory subliminal stimuli are shown to have some effect on the participant, but not a large one. Perception without awareness can be demonstrated through the comparison of direct and indirect measures of perception. Subliminal priming can direct people's actions even when they believe they are making free choices. Born John Milton Cage Jr. was born on September 5, 1912 in Los Angeles, California, and died August 12, 1992, at the age of 29196 days, in Manhattan, New York. Cage is perhaps best known for his 1952 composition 4′33″, which is performed in the absence of deliberate sound; musicians who present the work do nothing aside from being present for the duration specified by the title. In early 1951 he was presented a copy of a Chinese classic text which describes a symbol system used to identify order in chance events. All of his music since then was composed using chance procedures. Chance operations are methods of generating structures independent of the author’s will. Chance operations potentially do not constitute the suspension of structure but, instead, could opens up new non-anthropocentric perspectives, and may entail absolute commitment to the adherence towards rigorous processes. Non-anthropocentrism requires an extension and revision of standard ethical principles.