“[Rumsfield's] reply included a complex formulation that would become inextricably associated with him: '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.” PoliticsEducationKnownLogicCuriousRhetoricUnknownDonald Rumsfield Author:Ian Leslie
“It's only people, as far as we know, who look up at the stars and wonder what they are.” PeopleHumanityStars Book:Curious: The Desire to Know and Why Your Future Depends On It Source: Curious: The Desire to Know and Why Your Future Depends On It