The crowd that changes its tune from "Hosanna!" to "Let him be crucified" is us. As we hear of our Jesus' Passion, let us not merely feel sorrow, but come to love and obey him. If we do not, our sorrow is but one more mockery directed at our Lord.
Readings:
Mt 21:1-11
Is 50:4-7
Ps 22
Phil 2:6-11
Mt 26:14-27:66