What is the truth about spiritual warfare?

 

Jesus said to him, “I am the way, the truth, and the life. No one comes to the Father except through Me.

John 14:6 

You are of your father the devil, and the desires of your father you want to do. He was a murderer from the beginning, and does not stand in the truth, because there is no truth in him. When he speaks a lie, he speaks from his own resources, for he is a liar and the father of it.

John 8:44

You who are trying to be justified by the law have been alienated from Christ; you have fallen away from grace.

Galatians 5:4 

for, “Who has known the mind of the Lord so as to instruct him?” But we have the mind of Christ.

1 Corinthians 2:16 

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

Ephesians 6:17 

What is spiritual warfare about? 

Where does the battle take place? 

What is the key to victory? 

Resources: 

http://96tolife.blogspot.com/search/label/Spiritual%20Warfare?m=1

https://www.livinggodministries.net/living_god_ministries/radio_archive/spiritual_warfare.htm