The stumbling block to Jews and foolishness to Gentiles is that therefore God also suffers and dies as we do. God still doesn’t provide us with the answer, but he does say 1) that he has suffered as we have suffered, and 2) death and suffering are not the end.
This more ancient understanding of a sacrament includes anything that communicates and manifests God’s grace. Think about how the present moment is sacramental. How does being present make us one with God’s grace?