You and I are simply charged with spreading God’s word in faith. And we can trust that in God’s way – in God’s time – according to the full measure of God’s power and glory – he will bring the growth.
Isaiah insists that we can’t put our trust in the glory of man, at all. Because it’s a mirage in the desert. It’s a water droplet of dew that’s evaporating under the morning sunlight. It doesn’t ultimately last.