Contents:
- The letter “Centesimo Exeunte”.
 - A title needing deeper thought and interior assimilation.
 - The designation “Father”.
 - The adjunct “Teacher”.
 
- The living connection with “Youth”.
 - A spur to a “New Evangelization”.
 - Ecclesial endorsement of the preventive system.
 
Reference time period: 1989
E. Viganò, Saint John Bosco: “Iuventutis pater et magister”, in “Acts of the Superior Council” 70 (1989) 329, 3-20.
        Reference institution:
        Direzione Generale SDB
    
