You hear that liberalism lacks an idea of the common good, but I think that's a mistake.

The strength of the claims of formal justice, of obedience to system, clearly depend upon the substantive justice of institutions and the possibilities of their reform.

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

A society regulated by a public sense of justice is inherently stable.

Citizens can have their own grounding in their comprehensive doctrines, whatever they happen to be.

The bad man desires arbitrary power. What moves the evil man is the love of injustice.

Now the good of political life is a great political good. It is not a secular good specified by a comprehensive doctrine like those of Kant or Mill. You could characterize this political good as the good of free and equal citizens recognizing the duty of civility to one another: the duty to give citizens public reasons for one's political actions.