See that you do not refuse the one who is speaking; for if they did not escape when they refused the one who warned them on earth, how much less will we escape if we reject the one who warns from heaven! At that time his voice shook the earth; but now he has promised, “Yet once more I will shake not only the earth but also the heaven.” This phrase, “Yet once more,” indicates the removal of what is shaken—that is, created things—so that what cannot be shaken may remain. Therefore, since