Jesus is the "cornerstone rejected by the builders which has become the cornerstone" (1, Ps). He is the good shepherd who laid down his life for us (3). Through his paschal mystery we have become children of God (2). Acts 4:8–12 Ps 118:1, 8–9, 21–23, 28–29 1 Jn 3:1–2 Jn 10:11–18