Related quotes
“Until you understand a writer's ignorance, presume yourself ignorant of his understanding.”
Source: Biographia Literaria (1817), Ch. XII
Eminent Indians (1947)
“Everyone's friend is his reason; his enemy is his ignorance.”
Muhammad Kulayni, Usūl al-Kāfī, vol.1, p. 11 ; Wasā'il al-Shī‘ah, vol.1, p. 161.
Regarding Knowledge & Wisdom, General
“He that is not aware of his ignorance, will be only misled by his knowledge.”
Thoughts and Apophthegms from the Writings of Archbishop Whately (1856), p. 164 http://books.google.com/books?id=kW8YAAAAIAAJ&pg=PA164
“The ignorant (one) is the captive of his tongue.”
Misnad al-Imām al-Hādī, p. 304.
Regarding Knowledge & Wisdom, General
“Did ignorance save his freedom, or merely his illusion of freedom?”
Source: There Will Be Time (1972), Chapter 12 (p. 130)
“His best companions, innocence and health;
And his best riches, ignorance of wealth.”
Source: The Deserted Village (1770), Line 61.