Before the mountains became, or the land was formed along with the world: from ages past, even to all ages, you are God
Other versions
King James Version
For I have said, Mercy shall be built up for ever: thy faithfulness shalt thou establish in the very heavens.English Standard Version
For I said, "Steadfast love will be built up forever; in the heavens you will establish your faithfulness."New International Version
I will declare that your love stands firm forever, that you established your faithfulness in heaven itself.