Here are more points.
Holy Spirit
The Spirit is Holy and we are to be Holy. The Holy Spirit brings about the peace and repentance to change and mold us into the image of Christ(Word).
Works of the flesh
Works of the flesh offer quick rewards and offers no real satisfaction. Works of the flesh leaves you empty inside because you want to do it again only to find that it always ends nowhere. Works of the flesh leads to increased spiritual darkness which wants more control over you and you never realize it. This covers the concept of us sinning and the concept of us trying to be righteous by our Good Works. That our Good Works will out weigh our Bad Works.
Works of the Spirit
Works of the Spirit offer peace and joy to the heart. It leaves you fulfilled because it brings in unbelievers into the Kingdom of God. It offers real rewards in other people life's that you can clearly see the fruit of. This Good Work is not based upon what you have done but is based upon what God has done thru His Spirit in you.