Know what you know. Know what you don't know. And know the d... - Dwight D. Eisenhower

"Know what you know. Know what you don't know. And know the difference."

Dwight D. Eisenhower Knowledge

Military General American 1890–1969

More from Dwight D. Eisenhower

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

"Leadership is the art of getting someone else to do something you want done because he wants to do it."

"Plans are nothing; planning is everything."

"The future of this world hinges on the faith in the soundness of free society."

"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."