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Known knowns: These are facts or variables that we're aware of and understand. They form the basis of our knowledge and provide a solid foundation for decision making. Known unknowns: These are factors we know exist, but don't fully understand.
Unknown unknowns (unexpected or unforeseeable conditions), which pose a potentially greater risk simply because they cannot be anticipated based on past experience or investigation. Known unknowns result from recognized but poorly understood phenomena.
27 de mar. de 2014 · How will posterity remember the secretary of defense's most famous soundbite? That's a known unknown.
- David A. Graham
12 de dez. de 2020 · “[A]s 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.
- Paul Austin Murphy
1 de set. de 2005 · 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.
Known and Unknown. Few Americans have spent more time near the center of power than Donald Rumsfeld. Now he has written an unflinching memoir of his half-century career, sharing previously undisclosed details that will fascinate readers and force historians to rethink many controversies.
3 de fev. de 2011 · The title of former Defense Secretary Donald H. Rumsfeld’s new memoir, “Known and Unknown,” comes from a remark he made about whether Iraq had supplied or was willing to supply terrorists...
