O glorious Saint John Bosco, who in order to lead young people to the feet of the divine Master and to mould them in the light of faith and Christian morality didst heroically sacrifice thyself to the very end of thy life and didst set up a proper religious Institute destined to endure and to bring to the farthest boundaries of the earth thy glorious work, obtain also for us from Our Lord a holy love for young people who are exposed to so many seductions in order that we may generously spend …