Who said "The price of failing to prepare is preparing to fail."?

This quote is attributed to Sun Tzu.

The price of failing to prepare is preparing to fail. - Sun Tzu

"The price of failing to prepare is preparing to fail."

Sun Tzu

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."