seemed entirely appropriate and familiar to early Christians, who understood that their Eucharistic celebrations were a participation in the worship of heaven (Heb 10:19–22; 12:12). [4:5–6a] From the throne issue flashes of lightning, rumblings, and peals of thunder. A booming thunderstorm calls to mind God’s awesome greatness, which human beings are powerless to resist. In Scripture, lightning and thunder often accompany a theophany, a manifestation of God. They occur when God bestows his covenant