1. You cannot simultaneously prevent and prepare for war.
Bonus: Albert Einstein.
2.If you know neither the enemy nor yourself, you will succumb in every battle.
Bonus: Sun Tzu, who wrote The Art of War, and this quote comes from chapter 3.
3. War is regarded as nothing but the continuation of state policy with other means.
Bonus: Karl Von Clausewitz, who wrote On War.
Today's brain teaser courtesy of Braingle.com.