....nothing affects him that would challenge his sense of dignity, who he is or what his purpose is in life. That is what amoral means.
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Definitions of amoral:
<ethics, moral philosophy, judgment, moral decision> having no bearing on, declining to be influenced by, or making no reference to, moral values or judgments.
Lacking in any sense of morality
The term amoral is distinct from the terms moral and immoral, and simply refers to the state of lacking any moral characteristics. An amoral act is not morally good nor is it morally bad - it simply is. An amoral man is one who has no conception of morality or moral judgments. Babies, for example, are amoral.
without moral standards or principles; "a completely amoral person"
Amorality is the quality of having no concept of right or wrong.
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http://www.google.com/search?hl=en&lr=&as_qdr=all&oi=defmore&q=define:amoralNow, a person having these traits will ride out just about anything. Rove is the living example of the Nietzsche's superman. Examine KKKarl Rove against the company of other men that he keeps:
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http://personal.ecu.edu/mccartyr/great/projects/Knowles.htm