Who said "To know your enemy, you must become your enemy."?

This quote is attributed to Sun Tzu.

To know your enemy, you must become your enemy. - Sun Tzu

"To know your enemy, you must become your enemy."

Sun Tzu Knowledge

Military Strategist Chinese 544–496

"All warfare is based on deception."

"Know your enemy and know yourself."

"If you know the enemy and know yourself, you need not fear the result of a hundred battles."

"The supreme art of war is to subdue the enemy without fighting."

"We're not just after treasure. We're preserving history."

"The mind is humanity's greatest tool."

"A tidy room reflects a tidy mind."

"You can learn a lot about a person by how they keep their space."