
“É impossível para um homem aprender aquilo que ele acha que já sabe.”
For it is impossible for any one to begin to learn what he thinks that he already knows.
Epiteto como citado in: The Works of Epictetus: Consisting of His Discourses, in Four Books, the Enchiridion, and Fragments, página 172 https://books.google.com.br/books?id=FuY-AQAAMAAJ&pg=PA172, Thomas Wentworth Higginson - T. Nelson, 1865 - 288 páginas