Ezek 33:7-9: If you have not warned the wicked man, then I will hold you responsible for his death.
Ps 94:1-2, 6-9: R. O that today you would listen to his voice! Harden not your hearts.
Rom 13:8-10: Love is the fulfilment of the Law.
Alleluia, alleluia! God was in Christ, to reconcile the world to himself; and the Good News of reconciliation he has entrusted to us. Alleluia! (2 Cor 5:19)
Mt 18:15-20: If your brother or sister listens to you, you will have won that person back.