For the knowledge of the glory of the Lord will cover the earthWhich sounds like good news to me, because of all those possible causes of suffering, "evil" seems like it ought to be the most preventable one — hence the most tragic.
as the waters cover the seas.Habakkuk 2.14
But a particular subset of "covering the earth" involves covering people like you and me. In Blue Like Jazz, Miller makes the point that you can't fix the world without fixing the man in the mirror.
So this promise is good news, for the world in general, but also for my family, friends, colleagues.