At that time his voice shock the earth, but now he has promised, “Yet once more I will shake not only the earth but also the heavens.” This phrase,” yet once more, indicates the removal of things that are shaken- that is, things that have been made– in order that the things that cannot be shaken may remain. Therefore let us be grateful for receiving a kingdom that cannot be shaken, and then let us offer to God acceptable worship, with reverence and awe, for our God is a consuming fire. for the message about this verse use the link; https://youtu.be/WIKx95sMVPY