So Haggai is begging us to realize then that there is this promise. When you hear the promise, when you see his purpose, when you know there is peace, there is room for solid encouragement. And if you have missed all that, Haggai is at least trying to drill one thing into you; did you notice what he called the Lord? He refers to him as Yahweh or the Lord of hosts—a better translation I think, than the NIV that says the Lord Almighty. That catches a little bit of a meaning but not the punch of it, the power of it. Haggai uses the Lord of hosts six times in this passage, fourteen times in his whole book. What does that mean? Well, the Lord of hosts means that the Lord is the One who has all power and resources and forces at his command and at his control to use for the good and the needs of his people. So there is all sorts of room to take heart and to be encouraged. You have a God, who is fully sufficient - because he is Lord of hosts. He has that to offer you; that is why there is room for encouragement. You have that kind of God. And you should be encouraged if you worry not about who you are, but who he is.1
Dale Ralph Davis
6 For thus says the LORD of hosts: Yet once more, in a little while, I will shake the heavens and the earth and the sea and the dry land.