It continues being a topic in our culture to link happiness and justice. A line of reflection that goes back to Socrates offers us eloquent samples of the trend to tie both concepts, being considered to be impossible an unjust and happy life, at the time that there is postulated that the existence of the one who lives in conformity with the justice has to be necessarily happy. The intention of this article is to think about the relation that today can be established between the two concepts.