Of course in the present day […] the world of work begins to become — threatens to become — our only world, to the exclusion of all else. The demands… - Josef Pieper

Justice is a habit (habitus), whereby a man renders to each one his due with constant and perpetual will.

In the effort to regain a space of true leisure, to bring about a fundamentally correct attitude and "exercise" of leisure, the real difficulty of this so-often despaired-of project consists in the fact that the ultimate root of leisure lies outside the range of our responsible, voluntary action. The fullest harmony with the world, to be precise, cannot come about on the basis of a voluntary decision. Above all, one cannot simply "make" it happen for some ulterior purpose. There are certain things which one cannot do "in order to ..." do something else.

All just order in the world is based on this, that man give man what is his due.