The central Christian belief is that Christ's death has somehow put us right with God and given us a fresh start. Theories as to how it did this are another matter. A good many different theories have been held as to how it works; what all Christians are agreed on is that it does work.
C. S. LewisOf course it should be pointed out that, though all salvation is through Jesus, we need not conclude that he cannot save those who have not explicitly accepted him in this life.
C. S. Lewis