You hear «The Body of Christ», and you reply «Amen». Be part of Christ, so that your «Amen» is true.
So that we believe in Christ, dwell in his words. By dwelling there, we will truly be his disciples. For he doesn't have only twelve apostles as his disciples. He also has those who dwell in his word.
From infancy to old age, each age in all men has its own special beauty.
(De div. quaest. LXXXIII q.44)