“Knowledge without action is wastefulness and action without knowledge is foolishness.”
Abu Hamid al-Ghazali (1058–1111) Persian Muslim theologian, jurist, philosopher, and mystic
Rules 2 Rule
“Knowledge without action is wastefulness and action without knowledge is foolishness.”
Abu Hamid al-Ghazali (1058–1111) Persian Muslim theologian, jurist, philosopher, and mystic
Walter F. Buckley (1922–2006) American sociologist
Source: Sociology and modern systems theory (1967), P. 186.
C. West Churchman (1913–2004) American philosopher and systems scientist
Source: 1960s - 1970s, The Design of Inquiring Systems (1971), p. 11
Samuel Johnson book The History of Rasselas, Prince of Abissinia
Source: The History of Rasselas, Prince of Abissinia (1759), Chapter 41
“Knowledge is power; knowledge shared is power lost.”
Aleister Crowley (1875–1947) poet, mountaineer, occultist
This has been attributed to Crowley on the internet, but without citation. No incidents of it in Crowley's works have as yet been located.
This was quoted as an "occult tradition" in Fundamentals of Experimental Psychology (1976) by Charles Lawrence Sheridan, p. 17, but without any reference to Crowley.
Disputed
Variant: Knowledge is power and knowledge shared is power lost.
“Knowledge kills action; action requires the veils of illusion.”
Friedrich Nietzsche book The Birth of Tragedy
Source: The Birth of Tragedy
Michel Foucault book Discipline and Punish
Discipline and Punish (1977)
Source: Discipline and Punish: The Birth of the Prison
“Without the possibility of action, all knowledge comes to one labeled "File and forget."”
Ralph Ellison book Invisible Man
Epilogue.
Invisible Man (1952)
Peter Sloterdijk (1947) German philosopher
Source: Kritik der zynischen Vernunft [Critique of Cynical Reason] (1983), p. 77
“The great aim of education is not knowledge but action.”
Herbert Spencer (1820–1903) English philosopher, biologist, sociologist, and prominent classical liberal political theorist