“The more one learns, the more he understands his ignorance.”
“Until you understand a writer's ignorance, presume yourself ignorant of his understanding.”
Source: Biographia Literaria (1817), Ch. XII
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Samuel Taylor Coleridge 220
English poet, literary critic and philosopher 1772–1834Related quotes

“Shall we ever understand that ignorance is not innocence?”
The Supplemental Nights (1888), quoted in The Life of Sir Richard Burton, Vol. II (1906), by Thomas Wright, p. 124
Context: The England of our day would fain bring up both sexes and keep all ages in profound ignorance of sexual and intersexual relations; and the consequences of that imbecility are particularly cruel and afflicting. … Shall we ever understand that ignorance is not innocence?

“The ignorant man always adores what he cannot understand.”
Pt. III, ch. 3.
The Man of Genius (1891)

“I'd take the awe of understanding over the awe of ignorance any day.”
Source: The Salmon of Doubt (2002)

“The one thing that is more dangerous than true ignorance is the illusion of understanding.”
Source: Life, Sex, and Ideas: The Good Life Without God (2002), Chapter 57, “Becoming Philosophical” (p. 226)

The Hundred Names of God cited in: Margaret A. Boden (2006) Mind As Machine: A History of Cognitive Science. Vol 1. p. 56