They can be classified into three types: The last type of known unknowns, those that cant be controlled flux in the price of fuel, estimated weather delays for a construction project should be classified as risks in project planning. [6] Rumsfeld cited NASA administrator William Graham in his memoir; he wrote that he had first heard "a variant of the phrase" from Graham when they served together on the Commission to Assess the Ballistic Missile Threat to the United States during the late 1990s. Its important to note that unknown knowns arent limited to terminology. Speak up and share what youve learned with others. [T]here are known knowns; there are things we know we know. It was difficult to be mindful of these skills, when I only briefly thinking about what Ive learned. Rumsfeld's comment earned the 2003 Foot in Mouth Award from the British Plain English Campaign. I don't know you, motherfucker! But there are also unknown unknowns; things we don't know that we don't know. Should Project Managers Become Scrum Masters? That is to say, there are things that we know we don't know. But there are also unknown unknowns - the ones we don't know we don't know. So what you can you do to reveal your unknown knowns? Gin Rummy: Say what again! How to Use the "Knowns" and "Unknowns" Technique to Manage Assumptions Everyones road looks different. The problem with that is that I always doubted my knowledge and felt like one day they will all expose my secret and realize that Im not as good as I made my self out to be. Gin Rummy : Say what again! There are known knowns . : These can help you better understand your knowledge, and shed some light on the progress youve made. : You can easily formulate any thought to an accurate sentence. [4][16], Rumsfeld named his 2011 autobiography Known and Unknown: A Memoir. Where the known meets the unknown is where science begins, Rumsfeld's logic may be tongue-twisting, but his epistemology was sound enough that he was quoted twice at the World Summit on Evolution. If you can't explain it simply, you don't understand it well enough. : meaning - "Known unknown" vs. "unknown known" - English Language @drm65: that was the only one I was interested in! I always try to surround myself with people smarter than I am so I can learn and advance. But there are also unknown unknowns - the ones we don't know we don't know.". Theoretically Correct vs Practical Notation. Ed, your father helped me build this store. Do you want to die? Guys, it's me. Suggestions. Der persisch-tadschikische Poet Ibn Yamin (* 1286 in Faryumad, bei Sebzevar, 1368) ( ) schrieb im 14. What is unknown unknown? | Definition from TechTarget Unknown unknowns (unexpected or unforeseeable conditions), which pose a potentially greater risk simply because they cannot be anticipated based on past experience or investigation.