Knowledge Quote by Donald Rumsfeld

“there are things we know (‘known facts’), there are things we do not know (‘known unknowns’) and there are things that we do not…

— Rolf Dobelli

There are known knowns; there are things we know we know. We also know there are known unknowns; that is to say we know…

— Anonymous

There are known knowns. These are things we know that we know. There are known unknowns. That is to say, there are things that…

— Donald Rumsfeld

“There's not that much known, but there's a lot you can write about what's not known, why it isn't known and who doesn't know…

— Richard Ellis

“And for once, Donald Rumsfeld, in the news at the time over the Iraq war made sense to me: "As we know," he said,…

— Benjamin Mee

“Humans have not known anything. Knowing is when no weakness remains.”

— Dada Bhagwan

“The difference between the Known and Unknown is just Knowing it.”

— Ahtesham

“There are things we know we know. . . . We know there are some things we do not know. But there are also…

— Steven J. Wangsness

“The unknown is just as unknown as the ability to discover the known inside it.”

— Ben Midland

“Was there ever something not known before it was recognized?”

— Sorin Cerin

“Nothing has been discovered, nothing has been invented. We can only know that we know nothing. And that's the highest degree of human wisdom.”

— Leo Tolstoy

“Since we cannot know all there is to be known about anything, we ought to know a little about everything.”

— Blaise Pascal