Because Christ also suffered for sins once, the righteous for the unrighteous, that he might bring you to God; being put to death in the flesh, but made alive in the spirit;

 It may be that we will never agree in our theories of what exactly happened on the Cross, for, indeed, as Charles Wesley said in that same hymn: "'Tis mystery all!" But on one thing we can agree--through what happened there we may enter into a new relationship with God. 