8.  Ephesians 6:17-18

17 Take the helmet of salvation, and the sword of the Spirit, which is the word of God. 

18 Pray in the Spirit at all times in every prayer and supplication. To that end keep alert and always persevere in supplication for all the saints.

                Persons carry swords, not something called an active force.  The Holy Spirit will take up a sword to defend us.  The Holy Spirit will take up the Word of God, the truth, the Bible's teachings to defend us.  The Holy Spirit in Jesus took up the Bible's teachings and defended Jesus when Jesus was tempted as God incarnate.  He will do the same for us.

                The Holy Spirit will defend us by using the word of God, so as we memorize and study the Scriptures, we put the word of God into our minds so the Holy Spirit has the word of God within us to use.  Just reading the Bible daily will give the Holy Spirit a sword to use in our defense for that day and the days to come.

                Finally, Paul tells us to pray in the Spirit.  The Holy Spirit teaches us how to pray.  We do not know how to pray as we ought, so we pray in the Spirit who teaches us how to pray and who intercedes for us.  The Holy Spirit can use the Lord's Prayer as a sword in our defense and in the defense of others as we pray.  We can pray for the Holy Spirit to help us pray as we ought.