And you know, moreover, that you have cognitive blind…
And you know, moreover, that you have cognitive blind spots that there are things you don't know, and you don't know you don't know them-what Donald Rumsfeld famously called "unknown unknowns."
— from The Mind in the Cockpit
In the book
There is our reliable overconfidence — humans massively overestimate their ability to predict the future, and almost no one's forecasts are as good as they feel. And there are the cognitive blind spots you cannot see precisely because they are blind spots; the honest move is to admit, up front, that there are things you do not know that you do not know. Then there is the cruelest category — the lies you tell about yourself. — The Mind in the Cockpit