Repentance and contrition

In his discourse, Jesus speaks of the First Book of the Maccabees, with the Feast of Dedication. He invites us to follow the basis of the Law to sanctify ourselves, i.e. the Decalogue. Then he explains that we must purify ourselves (with repentance), put God in our hearts and have a new altar, knowing that Christ prays with us to the Father and that we shouldn't be afraid to approach him. Once he's finished, he talks to Peter, who regrets not knowing how to speak, but Jesus confirms his spiritual primacy. His apostle also asks if he can have a son, but Jesus tells him no: rather, his Vicar will have thousands of spiritual children. The Master also assures him that he will be able to speak when the time comes, and sends him off to sell a precious ring.