They teach about Jesus Christ and everything we have because of Him. Freedom,deliverance,salvation,healing.
That there is power in the name of Jesus.
That we are joint heirs with Christ.
That we have been given the authority in Jesus name over the works of the devil.
Because of Jesus we have the same spirit of life/God's spirit that raised him from the dead.
We overcome the world by the blood of the Lamb and our personal testimony of Jesus.
That Jesus told us to go out into the highways,by ways, to all four corners of the earth and tell them of God's great love- salvation in Christ that is free for all that are willing.
In Jesus name we have been sent to lay hands on the sick,cast out devils in Jesus name,to free the captives because we bear his spirit & testimony.
We now have direct connection/fellowship/relationship with God because of Jesus.
We our to walk in love- because God is love.
This is all included in our Salvation and we must trust God to walk in it and to be led.
John 17 is a real good chapter that includes that we are one in Christ-he in us & us in Him.