“If you only have a hammer, you tend to see every problem as a nail.”
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Abraham Maslow 34
American psychologist 1908–1970Related quotes
The Psychology of Science: A Reconnaissance (1966), Ch. 2, p. 15; although some similar statements to describe fundamental errors in human perception have been attributed to others, his expression, or slight paraphrases of it, is one of the earliest yet found to be documented in published writings, and remains among the most popular.
1940s-1960s
“When you don't have a hammer, you don't want anything to look like a nail.”
Alternate version: If you don't have a hammer, you don't want anything to look like a nail.
Of Paradise and Power, p. 26
According to Kagan, this is a variation of the proverb "When you have a hammer, all problems start to look like nails." (p. 25 of the same book)
At an interview with Stephen Colbert at Montclair Kimberley Academy on January 29th, 2010.
2010s
Variant: If you start wielding a hammer, then all your problems look like nails. And maybe they’re not. Maybe it's more subtle than that. And so your toolkit has to be able to morph into what is necessary for what it is that you confront at that moment.
“It is better to be the hammer than the nail.”
Egwene al'Vere
(15 October 1991)
“To a man with a hammer, everything looks like a nail.”
Nelson Mandela on friendship, From his unplubished autobiographical manuscript written in 1975. Source: From Nelson Mandela By Himself: The Authorised Book of Quotations © 2010 by Nelson R. Mandela and The Nelson Mandela Foundation http://www.nelsonmandela.org/content/mini-site/selected-quotes
1970s