Virginia Woolf (1882–1941) English writer
Sometimes ascribed to Virginia Woolf, but it appeared as early as 1854 in Anna Jameson's A Commonplace Book of Thoughts, Memories and Fancies, where it is ascribed to William Wordsworth.
Misattributed
“Action without theory is reckless; theory without action is worthless.”
(speech at Center for Popular Economics, Summer Institute), 2006-07-27
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Paul Glover23
Community organizer in Philadelphia, Pennsylvania; American… 1947Related quotes
“The humanitarian in theory is the terrorist in action.”
Isabel Paterson (1886–1961) author and editor
Source: The God of the Machine (1943), p. 242
William Wordsworth (1770–1850) English Romantic poet
Attributed by Anna Jameson in her A Commonplace Book of Thoughts, Memories and Fancies (1854).
Michel Chossudovsky (1946) Canadian economist
"applied economics"
Source: The Globalization of Poverty and the New World Order - Second Edition - (2003), Chapter 2, Global Falsehoods, p. 27
“An ounce of action is worth a ton of theory.”
Ralph Waldo Emerson (1803–1882) American philosopher, essayist, and poet
This expression is widely misattributed to Emerson in journalism, tweets, and memes on the internet. This quotation in an earlier phrasing of Jared Eliot's statement “It used to be the Saying of an old Man, That an Ounce of Experience is better than a Pound of Science.” (Essays upon Field Husbandry, 1748; quotation reprinted in "Jared Eliot, Minister, Physician, Farmer" by Rodney H. True. Agricultural History Vol. 2, No. 4 (Oct., 1928) https://www.jstor.org/stable/3739311, p199). The quote has also been misattributed to Friedrich Engels, a claim possibly originating from the 1975 book The Strange Case of Victor Grayson by Reg Groves ( link http://webcache.googleusercontent.com/search?q=cache:Udk7LCxtvugJ:socialiststandardmyspace.blogspot.com/2010_05_02_archive.html+&cd=1&hl=en&ct=clnk&gl=us) <br class="br">Misattributed
“Theories without facts may be barren, but facts without theories are meaningless.”
Kenneth E. Boulding (1910–1993) British-American economist
Attributed to Kenneth Boulding in: Association of American Colleges (1955) Liberal education. Vol. 41, p. 430
1950s
W. Edwards Deming (1900–1993) American professor, author, and consultant
The New Economics for Industry, Government, Education (1993)
“Experience without theory is blind, but theory without experience is mere intellectual play.”
Immanuel Kant (1724–1804) German philosopher
This is declared to be "an old Kantian maxim" in General Systems Vol. 7-8 (1962), p. 11, by the Society for the Advancement of General Systems Theory, but may simply be a paraphrase or summation of Kantian ideas.
Kant's treatment of the transcendental logic in the First Critique contains a portion, of which this quote may be an ambiguously worded paraphrase. Kant, claiming that both reason and the senses are essential to the formation of our understanding of the world, writes: "Without sensibility no object would be given to us, and without understanding none would be thought. Thoughts without content are empty, intuitions without concepts are blind (A51/B75)".
Disputed
“Knowledge without action is wastefulness and action without knowledge is foolishness.”
Abu Hamid al-Ghazali (1058–1111) Persian Muslim theologian, jurist, philosopher, and mystic
Paulo Freire (1921–1997) educator and philosopher
Pedagogia do oprimido (Pedagogy of the Oppressed) (1968, English trans. 1970)