Known Knowns Quotes & Sayings

There are known knowns and known unknowns, but what we should be worried about most is the unknown unknowns. — Gary Marcus

You simplify because you cannot believe. You reduce; you diminish. Because you were raised to doubt and debunk. To reduce to a small set of knowns for easy digestion. Because you are a doctor, a man of science, and because this is America - where everything is known and understood, and God is a benevolent dictator, and the future must always be bright. — Guillermo Del Toro

When you start talking about the known knowns and the unknown unknowns, you're thrown into a crazy meta-level discussion. Do I know what I know, do I know what I don't know, do I know what I don't know I don't know. It becomes a strange, Lewis Carroll - like nursery rhyme. — Errol Morris

The problem is that conventional questioning and research techniques are designed to confirm known knowns and reduce uncertainty. — Chris Voss

There are known knowns. These are things we know that we know. There are known unknowns. That is to say, there are things that we know we don't know. But there are also unknown unknowns. There are things we don't know we don't know. — Donald Rumsfeld

Reports that say that something hasn't happened are always interesting to me, because as we know, there are known knowns; there are things we know we know. We also know there are known unknowns; that is to say we know there are some things we do not know. But there are also unknown unknowns- the ones we don't know we don't know. — Donald Rumsfeld

There are known knowns, things we know that we know; and there are known unknowns, things that we know we don't know. But there are also unknown unknowns, things we do not know we don't know. — Donald Rumsfeld

When the rods were pushed back in and the clicking had died down, we suddenly experiences a let-down feeling, for all of us understood the language of the counter. Even though we had anticipated the success of the experiment, its accomplishment had a deep impact on us. For some time we had known that we were about to unlock a giant; still we could not escape an eerie feeling when we had actually done it. We felt as, I presume, everyone feels who has done something that he knowns will have very far-reaching consequences which he cannot foresee. — Eugene Wigner