the risen lord on Jesus' Sacrifice

Leader: Why do you look for the living among the dead? People: He is not here; He has risen!   Leader: Alleluia! Christ is risen! People: He is risen indeed! Alleluia!

Alleluia. Christ our Passover has been sacrificed for us;     therefore let us keep the feast, Not with the old leaven, the leaven of malice and evil,     but with the unleavened bread of since...