Source: Education of a Wandering Man (1989), Ch. 11
“It is the semi-learned who scorn the ignorant; the learned know too much about them for that.”
Source: Meditations in Wall Street (1940), p. 92
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Henry S. Haskins 84
1875–1957Related quotes
“I speak from ignorance.
Who once learned much, but speaks from ignorance now.”
Poem Last of the Chiefs published in: Nathaniel Tarn (1965) Old savage, young city. p. 18.

“Being ignorant is not so much a shame, as being unwilling to learn.”

Variant translation: The more we learn about the world, and the deeper our learning, the more conscious, clear, and well-defined will be our knowledge of what we do not know, our knowledge of our ignorance. The main source of our ignorance lies in the fact that our knowledge can only be finite, while our ignorance must necessarily be infinite.
Conjectures and Refutations: The Growth of Scientific Knowledge (1963)
Context: The more we learn about the world, and the deeper our learning, the more conscious, specific, and articulate will be our knowledge of what we do not know, our knowledge of our ignorance. For this, indeed, is the main source of our ignorance — the fact that our knowledge can be only finite, while our ignorance must necessarily be infinite.
“The man who is too old to learn was probably always too old to learn.”
Source: Meditations in Wall Street (1940), p. 74

“No one learns as much about a subject as one who is forced to teach it.”

“Out of too much learning become mad.”
Section 4, member 1, subsection 2.
The Anatomy of Melancholy (1621), Part III

(A.J. Broomhall. Hudson Taylor and China’s Open Century, Book Four: Survivors’ Pact. London: Hodder and Stoughton and Overseas Missionary Fellowship, 1984, 346).