 So you're like a farmer. If you sow to the flesh, you will die. You'll reap corruption. If you sow to the spirit, S.O.W. So if you sow to the spirit, you will reap this harvest that he refers to as eternal life. And the question naturally comes, well, Paul, how do we sow to the spirit? What are you talking about? He tells us the very next sentence. Let us not grow weary in doing good. For in due season, we shall reap if we do not lose heart.