“The best way to weaken one's enemy was to get him to believe that you were on his side.”
“Enemies strengthen you. Allies weaken.”
“The best way to get along is never to forgive an enemy or forget a friend.”
“For should the enemy strengthen his van, he will weaken his rear; should he strengthen his rear, he will weaken his van; should he strengthen his left, he will weaken his right; should he strengthen his right, he will weaken his left. If he sends reinforcements everywhere, he will everywhere be weak.”
“The best relationships were the ones where both sides went out of their way to make sure the other wasn't disappointed.”
“If you are near the enemy, make him believe you are far from him.If you are far from the enemy, make him believe you are now”