Knowledge is a familiarity, awareness, or understanding of someone or something, such as facts, information, descriptions, or skills, which is acquired through experience or education by perceiving, discovering, or learning.
They never open their mouths without subtracting from the sum of human knowledge.
Thomas Brackett Reed, referring to two of his colleagues in the House of Representatives.—Samuel W. McCall, The Life of Thomas Brackett Reed, chapter 21, p. 248 (1914).
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