We know the Bible answers, we can pass a Bible test. We know we are saved. But I wonder if we know in our experience all the glory that ought to be ours as a child of God. Yet we are to cooperate with God and let God do that which He desires to do in and through us. The present unwieldy mass of nominal Christians is not making much impact.
Mediocrity only produces more mediocrity.
It's better to light a candle than curse the darkness. You can't shovel the darkness out of a room. There is only one way to get darkness out of a room, turn the light on. We're not going to make impact in that way. After all, a bulldog can lick a skunk, but it just isn't worth it.