The aim of the research is to compare Mill's and Rawls' conceptions of justice. It is divided into three parts: (i) Mill's Theory of Justice, (ii) Rawls' Theory of Justice, (iii) Comparing: Mill and Rawls. The first chapter shows that Mill's theory is characterized as a non-teleological rule utilitarian and rejects a metaphysical conception of the person. The idea of the person and moral psychology are the basis on which his principle of utility,...