The main sequence of courses of the training institute are read and discussed by a group of friends, who may constitute a study circle that meets regularly, during a campaign arranged for intensive study, or may gather in a camp during school holidays. Whatever the occasion, one member of the group acts as a tutor. The relationship between the tutor and the other participants is not of a teacher-to-student; rather all are consciously engaged in a process in which everyone is seeking to learn. The study circle serves as an environment of mutual support in which the participants come to see themselves as protagonists of a constant effort to apply knowledge in pursuit of collective progress.