ᴛᴀᴋᴇ ᴛʜᴇ ꜱᴡᴏʀᴅ ᴏꜰ ᴛʜᴇ ꜱᴘɪʀɪᴛ, ᴡʜɪᴄʜ ɪꜱ ᴛʜᴇ ᴡᴏʀᴅ ᴏꜰ ɢᴏᴅ.

And we come across the Word of GOD over again. 
It is only The HOLY SPIRIT that will reveal to us JESUS. 
We have seen JESUS as the Word. 
Therefore, it is only The SPIRIT Of GOD that will teach us GOD's Word.

You need the Sword to fight this warfare, otherwise how does the Solider go into battle without a Sword? How will the Soldier put down his Sword in the middle of a battle?
Warfare never stops because the devil is actively at work trying to pull to him as many as can...