Answer to the Sentence

István Bogárdi Szabó turned 60, so colleagues and friends greeted him with a bouquet of studies. The diversity of the bouquet is given by the fact that the authors come from different fields of scientific life, and its coherence is ensured by the fact that in connection with the three major topics of the Celebrated Private Teacher's Thesis (Thesis) they formulate new thoughts as a kind of response. Expressing the good wishes of others as well: God make it live ad multos annos!