The impoverishment of economics related to its distancing from ethics affects both welfare economics (narrowing its reach and relevance) and predicti… - Amartya Sen

The approach presented in my book The Idea of Justice shares the general Enlightenment interest in relying on reasoning in general and public reasoning in particular, and in this respect there is something very substantially in common between the two alternative disciplines of reasoning that emerged from the intellectual climate of the Enlightenment period, that is, between the Hobbesian and Kantian reasoning (with its successors today, such as the Rawlsian social contract approach) and the reasoning of Smith and Condorcet (with its successors today, such as normative social choice theory).

Those who wish to be inspired by the glory of the British Empire would do well to avoid reading Adam Smith's The Wealth of Nations ... (pg. 164)

...a theory of justice that can serve as the basis of practical reasoning must include ways of judging how to reduce injustice and advance justice, rather than aiming only at the characterization of perfectly just societies – an exercise that is such a dominant feature of many theories of justice in political philosophy today.