“Knowledge is folly unless grace guide it.”
Quote reported in Josiah Hotchkiss Gilbert, Dictionary of Burning Words of Brilliant Writers (1895), p. 364
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George Herbert 216
Welsh-born English poet, orator and Anglican priest 1593–1633Related quotes

“The good life is one inspired by love and guided by knowledge.”
1920s, What I Believe (1925)
Source: Human Knowledge: Its Scope and Value

“Man's knowledge, save before his fellow man,
Is ignorance—his widest wisdom folly.”
The Coming of Love and Other Poems (1897)
Source: "Prophetic Pictures at Venice VII: New Year's Morning, 1867", p. 207.

The Bothie of Tober-na-vuolich http://whitewolf.newcastle.edu.au/words/authors/C/CloughArthurHugh/verse/poemsproseremains/bothie_01.html, Pt. IV (1848).

“Don't go to college, unless to get knowledge.”
"Telfer campaign" (March 2003)

“Knowledge is of no value unless you put it into practice.”

State of Grace, written by Taylor Swift
Song lyrics, Red (2012)

“We can never enter upon the path to virtue unless we have hope as our guide and companion.”
Letter to Demetrias

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.

Songs of the Soul (1971)
Context: Now what should be the relation between science and spirituality? It should be a relation of mutual acceptance and true understanding. It is an act of folly on our part to expect the same truth, the same knowledge and the same power from both science and spirituality. We must not do that. Neither must we set up the same goal for science and spirituality.