Others such as these met him in the outer mountain and thought to mock him because he had not learned letters. And Antony said to them, 'What do you say? Which is first, mind or letters? And which is the cause of which— mind of letters or letters of mind.' And when they answered mind is first and the inventor of letters, Antony said, 'Whoever, therefore, has a sound mind has not need of letters.'
§ 73 - Life of Anthony of Egypt