Hebrews 12:23-27

23to the church of the firstborn, whose names are written in heaven. You have come to God, the Judge of all, to the spirits of the righteous made perfect,

24to Jesus the mediator of a new covenant, and to the sprinkled blood that speaks a better word than the blood of Abel. 25See to it that you do not refuse him who speaks. If they did not escape when they refused him who warned them on earth, how much less will we, if we turn away from him who warns us from heaven? 26At that time his voice shook the earth, but now he has promised, “Once more I will shake not only the earth but also the heavens.” Haggai 2:6

27The words “once more” indicate the removing of what can be shaken—that is, created things—so that what cannot be shaken may remain.