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It is a mistake to assume that government must necessarily last forever. The institution marks a certain stage of civilization-is natural to a particular phase of human development. It is not essential, but incidental. As amongst the Bushmen we find a state antecedent to government, so may there be one in which it shall have become extinct.

Herbert Spencer (1873). “Social Statics; Or, The Conditions Essential to Human Happiness Specified, & the First of Them Developed”, p.24
It is a mistake to assume that government must necessarily last forever. The institution marks a certain stage of civilization-is natural to a particular phase of human development. It is not essential, but incidental.