Compatibilism believes that all human actions are determined by antecedent causes, and also that humans are free and have moral responsibilities. Compatibilists argue for their position by claiming that the language of freedom and the language of determinism are both necessary for humankind. One of the languages is considered necessary for science, whereas the other is necessary for morality. Compatibilists also argue that even though we are determined or not free, it does not affect our personal relationships. Sometimes compatibilist define their position in terms of reasons for actions. When considering behavior, we must interpret from the internalist perspective, as well as the externalist perspective. In the externalist perspective everything