If we know that our own men are in a condition to attack, but are unaware that the enemy is not open to attack, we have gone only halfway towards victory. – Sun Tzu
The enlightened ruler is heedful, and the good general full of caution. – Sun Tzu
It is only the enlightened ruler and the wise general who will use the highest intelligence of the army for the purposes of spying, and thereby they achieve great results. – Sun Tzu
If you know the enemy and know yourself you need not fear the results of a hundred battles. – Sun Tzu