I would just like t to ask you a few questions. Locke speaks of Reason being

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I would just like t to ask you a few questions. Locke speaks of Reason being the Law of Nature if I am correct but then sees that we need certain minimal authority within society to provide correctly measured punishment for those who go against another's natural rights. If Reason is the said Law of Nature then why can not most of us, according to Locke, decide these measurements of justice individually? I understand that he says 'those who will consult it' but if he sees that we naturally as a majority can live within equality and freedom due to Reason, why is this area of justice, in theory, any different? Furthermore I have a problem with his assumption that the moralities he defines would and should be the morality of everyone because many can and do Reason differently. I may not understand Locke completely though.