Ever since the beginning of modern science, the best minds have recognized — Friedrich August von Hayek
The full area of ignorance is not mapped. We are at present only exploring the fringes. — John Desmond Bernal
Much of our ignorance is of ourselves. Our eyes are full of dust. Prejudice blinds us. — Abraham Coles
A common error of ignorance is to maintain that what one does not know does not exist. — Leon Battista Alberti