Conceal your dispositions, and your condition will remain secret, which leads to victory; show your dispositions, and your condition will become patent, which leads to defeat. ↗
The spot where we intend to fight must not be made known; for then the enemy will have to prepare against a possible attack at several different points; ↗
If we wish to wrest an advantage from the enemy, we must not fix our minds on that alone, but allow for the possibility of the enemy also doing some harm to us, and let this enter as a factor into our calculations. ↗