The natural distribution is neither just nor unjust; nor is it unjust that persons are born into society at some particular position. These are simply natural facts. What is just and unjust is the way that institutions deal with these facts.
Thus I assume that to each according to his threat advantage is not a conception of justice.
Justice is the first virtue of social institutions, as truth is of systems of thought. A theory however elegant and economical must be rejected or revised if it is untrue; likewise laws and institutions no matter how efficient and well-arranged must ...
[E]ach person is to have an equal right to the most extensive basic liberty compatible with a similar liberty for others.