It is obvious that different individuals require different things to live good, healthy, and virtuous lives.

Most Europeans have no idea how wild life can be in north America.

Obligations may be universal or particular.

Libertarians typically argue that particular obligations, at least under normal circumstances, must be created by consent; they cannot be unilaterally imposed by others.

The first census in 1790 asked just six questions: the name of the head of the household, the number of free white males older than 16, the number of free white males younger than 16, the number of free white females, the number of other free persons, and the number of slaves.

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

It is obvious that different individuals require different things to live good, healthy, and virtuous lives.