“Knowledge workers have high degrees of expertise, education, or experience, and the primary purpose of their jobs involves the creation, distribution or application of knowledge.”

Source: The Social Construction of Reality, 1966, p. 129-147

"On the Harmony of Theory and Practice in Mechanics" (Jan. 3, 1856)

Source: Learning by knowledge‐intensive firms," 1992, p. 716
Context: In deciding whether a firm is knowledge-intensive, one ought to weigh its emphasis on esoteric expertise instead of widely shared knowledge. Everybody has knowledge, most of it widely shared, but some idiosyncratic and personal. If one defines knowledge broadly to encompass what everybody knows, every firm can appear knowledge-intensive. One loses the value of focusing on a special category of firms. Similarly, every firm has some unusual expertise. To make the knowledge-intensive firm a useful category, one has to require that exceptional expertise make important contributions. One should not label a firm as knowledge-intensive unless exceptional and valuable expertise dominates commonplace knowledge.

Source: Thinking for a Living, 2005, p. 111

Source: The Information: A History, a Theory, a Flood

Cited in Soviet Youth and Socialism http://leninist.biz/en/1974/SYAS228/3.1-Youth.and.Culture

Source: 1850s, An Investigation of the Laws of Thought (1854), p. 370

Variant: If what Proust says is true, that happiness is the absence of fever, then I will never know happiness. For I am possessed by a fever for knowledge, experience, and creation.