Matthew 10:34-39

Think not that I am come to send peace on earth: I came not to bring peace but division.

John 16:33

These things have I spoken unto you, that in me ye might have peace. In the world ye shall have trouble: but be of good courage, I have overcome the world.

1 Corinthians 9:26-27

I therefore so run, not as unobserved: I so fight, not as one that beateth the air:

Ephesians 6:11-18

Put on the whole armour of God, that ye may be able to stand against the wiles of the Devil.

1 Timothy 6:12

Maintain the glorious combat of faith, lay hold on eternal life, to which thou hast been called, and hast made a good profession before many witnesses.

2 Timothy 2:3

Do thou therefore endure hardship, as becomes a good soldier of Jesus Christ.

2 Timothy 4:7

I have fought the good fight, I have finished my 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
Think not that I am come to send peace on earth: I came not to bring peace but division.
John 16:33
These things have I spoken unto you, that in me ye might have peace. In the world ye shall have trouble: but be of good courage, I have overcome the world.
1 Corinthians 9:26
I therefore so run, not as unobserved: I so fight, not as one that beateth the air:
Ephesians 6:11
Put on the whole armour of God, that ye may be able to stand against the wiles of the Devil.
1 Timothy 6:12
Maintain the glorious combat of faith, lay hold on eternal life, to which thou hast been called, and hast made a good profession before many witnesses.
2 Timothy 2:3
Do thou therefore endure hardship, as becomes a good soldier of Jesus Christ.
2 Timothy 4:7
I have fought the good fight, I have finished my race, I have kept the faith.