“(U)pon Secrecy, Success depends in Most Enterprises and for want of it, they are generally defeated.” (George Washington)
“Using public sources openly and without resorting to illegal means, it is possible to gather at least 80% of information about the enemy.” (Captured Al Qaeda Training Manual)
“If I am able to determine the enemy’s dispositions while, at the same time, I conceal my own, then I can concentrate my forces and his must be divided.” (Sun Tzu, The Art of War)