Matthew 10:34-39

"Do not suppose that I am come to bring peace on the earth; I am come not to bring peace, but a sword.

John 16:33

I have said all this to you that in me you might have peace. In the world you will have tribulation, but be courageous; I have overcome the world."

1 Corinthians 9:26-27

For my part, then, I run with no wavering to the goal. I box not as one beating the air,

Ephesians 6:11-18

Put on all the panoply of God, so that you may be able to stand your ground against the stratagems of the devil.

1 Timothy 6:12

Keep contending in the noble contest of the faith; seize hold on eternal life, to which you were called when you confessed the good confession in the presence of many witnesses.

2 Timothy 2:3

Take your share in suffering as a good soldier of Jesus Christ.

2 Timothy 4:7

I have fought in the glorious contest; I have run the race; I have kept the faith.

Treasury of Scripture Knowledge

Summary

Only that the generations of the children of Israel might know, to teach them war, at the least such as before knew nothing thereof;

Bible References

Might know

Matthew 10:34
"Do not suppose that I am come to bring peace on the earth; I am come not to bring peace, but a sword.
John 16:33
I have said all this to you that in me you might have peace. In the world you will have tribulation, but be courageous; I have overcome the world."
1 Corinthians 9:26
For my part, then, I run with no wavering to the goal. I box not as one beating the air,
Ephesians 6:11
Put on all the panoply of God, so that you may be able to stand your ground against the stratagems of the devil.
1 Timothy 6:12
Keep contending in the noble contest of the faith; seize hold on eternal life, to which you were called when you confessed the good confession in the presence of many witnesses.
2 Timothy 2:3
Take your share in suffering as a good soldier of Jesus Christ.
2 Timothy 4:7
I have fought in the glorious contest; I have run the race; I have kept the faith.