They were incognizant of realities.
"Port O' Gold" by Louis John Stellman
Of those around him it was quite clear that he was altogether incognizant.
"Valentine M'Clutchy, The Irish Agent The Works of William Carleton, Volume Two" by William Carleton
It predicates contradiction of two extremes, which are asserted to be equally incomprehensible and incognizable.
"Christianity and Greek Philosophy" by Benjamin Franklin Cocker