It is not... That some people do not know what to do with truth when it is offered to them, But the tragic fate is to reach, after patient search, a condition of mind-blindness, in which. The truth is not recognized, though it stares you in the face.
Sir William Osler (2001). “Osler's "a Way of Life" and Other Addresses, with Commentary and Annotations”, p.337, Duke University Press