Verse 7 Fruitful parallels in us as the fruit of the Spirit. We are the Israelites and we will be exceedingly fruitful with the fruits of the spirit.
Verse 12 In the same way, the more the devil feebly attempts to attack you, the more you grow for His power is made perfect in weakness.
Verse 14 The devil will ruthlessly attack you. Be alert!
Verses 20&21 When we fear God, especially in the face of trials and enemies, He will reward us and bless us in even greater ways.