Aristotle Quotes about Ignorance
Socrates, Plato, Aristotle (1967). “Wit and Wisdom of Socrates, Plato, Aristotle: Being a Treasury of Thousands of Glorious, Inspiring and Imperishable Thoughts, Views and Observations of the Three Great Greek Philosophers, Classified Under about Four Hundred Subjects for Comparative Study”
Aristotle (1869). “The Nicomachean Ethics of Aristotle”, p.63
"Metaphysics". Book by Aristotle (982b10), later published in "The Basic Works of Aristotle" edited by Richard McKeon (p. 692), 1941.