God Is Great.
For the Lord is the great God, And the great King above all gods. Psalm 95:3 NKJV
Because he is a great God, and sovereign Lord of all. He is great, and therefore greatly to be praised. He is infinite and immense, and has all perfection in himself.
He has great power: He is a great King above all gods, above all deputed deities, all magistrates, to whom he said, You are gods (he manages them all, and serves his own purposes by them, and to him they are all accountable), above all counterfeit deities, all pretenders, all usurpers; he can do that which none of them can do; he can, and will, famish and vanquish them all.
He has great possessions. This lower world is here particularly specified. We reckon those great men who have large territories, which they call their own against all the world, which yet are a very inconsiderable part of the universe: how great then is that God whose the whole earth is, and the fulness thereof, not only under whose feet it is, as he has an incontestable dominion over all the creatures and a propriety in them, but in whose hand it is, as he has the actual directing and disposing of all