²⁶ At that time his voice shook the earth,^(A) but now he has promised, “Once more I will shake not only the earth but also the heavens.”^{[a](B) 27} The words “once more” indicate the removing of what can be shaken^(C)—that is, created things—so that what cannot be shaken may remain.

²⁸ Therefore, since we are receiving a kingdom that cannot be shaken,^(D) let us be thankful, and so worship God acceptably with reverence and awe,^{(E) 29} for our “God is a consuming fire.”^[b](F)

¹⁰ Therefore, my brothers and sisters,^[a] make every effort to confirm your calling^(A) and election. For if you do these things, you will never stumble,^{(B) 11} and you will receive a rich welcome into the eternal kingdom^(C) of our Lord and Savior Jesus Christ.^(D)