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
Some Similar Quotes
  1. A friend is someone who knows all about you and still loves you. - Elbert Hubbard

  2. The man of knowledge must be able not only to love his enemies but also to hate his friends. - Friedrich Nietzsche

  3. Ur be the things I am wiser to know: Idleness, sorrow, a friend, and a foe. Four be the things I'd been better without: Love, curiosity, freckles, and doubt. Three be the things I shall never attain: Envy, content, and sufficient champagne. Three be the... - Dorothy Parker

  4. The eye through which I see God is the same eye through which God sees me; my eye and God's eye are one eye, one seeing, one knowing, one love. - Meister Eckhart

  5. Conquer the angry one by not getting angry; conquer the wicked by goodness; conquer the stingy by generosity, and the liar by speaking the truth.] - Gautama Buddha

More Quotes By Donald Rumsfeld
  1. 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...

  2. Those who made the decisions with imperfect knowledge will be judged in hindsight by those with considerably more information at their disposal and time for reflection.

  3. 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.

  4. If it were a fact, it wouldn't be called intelligence.

  5. If in doubt, don't. If still in doubt, do what's right.

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