It is precisely because neither individuals nor small groups can be fully self-sufficient that cooperation is necessary to human survival and flourishing.

Libertarians argue that no normal adult has the right to impose choices on other normal adults, except in abnormal circumstances, such as when one person finds another unconscious and administers medical assistance or calls an ambulance.

Libertarians recognize the difference between adults and children, as well as differences between normal adults and adults who are insane or mentally hindered or retarded.

If an individual is born with the obligation to obey, who is born with the right to command?

Abstraction is a mental process we use when trying to discern what is essential or relevant to a problem; it does not require a belief in abstract entities.

[L]et me point out that libertarians defend a tradition of liberty that is the fruit of thousands of years of human history.

Guardians are necessary for children and abnormal adults, because they cannot make responsible choices for themselves.