There are various ways you might define the common good, but that would be one way you could do it.

[E]ach person is to have an equal right to the most extensive basic liberty compatible with a similar liberty for others.

The fairest rules are those to which everyone would agree if they did not know how much power they would have.

An injustice is tolerable only when it is necessary to avoid an even greater injustice.

If you compare the United States with Europe, my view is that what happened in Europe is that the church became deeply distrusted by people, because it sided with the monarchs. It instituted the Inquisition and became part of the repressive state apparatus. That never happened here. We don't have that history.

There are various ways you might define the common good, but that would be one way you could do it.

We may suppose that everyone has in himself the whole form of a moral conception.