The Centre for Political Philosophy, Ethics and Religion at Charles University, last year founded by prof. Tomáš Halík and Dr. Luděk Sekyra, organized a discussion about the relation between justice and reciprocity in the works of the most significant thinkers of the 20th century, John Rawles. The ideas of this Harvard Professor and the question of the kind of moral and political principals available to contribute to the higher cohesion of polarised liberal societies were discussed by the leading experts from the Czech Republic and Slovakia.