There is no article of faith that is more central to the Church than the belief in the atoning value of JesusÕ sacrificial death at Calvary. Missionaries never miss an opportunity to point out the inability to expiate sin Òwithout the shedding of blood.Ó Is this claim really true? In this crucial lecture, Rabbi Singer compares the concepts of sin and atonement as set forth by Christianity and Judaism utilizing a thorough presentation of their biblical sources.