"...[even] in most hard legal cases there are right answers... The question whether we can have reason to think an answer right is different from the question whether it can be demonsrated to be right."
(Ronald Dworkin, Law's Empire)

"Law as integrity rejects as unhelpful the ancient question whether judges find or invent the law; we understand legal reasoning, it suggests, only by seeing the sense in which they do both and neither."
(Ronald Dworkin, Law's Empire)

"Each person has the same indeafisible claim to a fully adequate scheme of equal basic liberties, which scheme is compatible with the same scheme of liberties for all"
(John Rawls, Justice as Fairness: A Restatement)

"The primary subject of justice ... is the way in which the major social institutions distribute fundamental rights and duties and determine the division of advantages from social cooperation."
(John Rawls, Theory of Justice)