“The more it changes, the more it’s the same thing.”
Plus ça change, plus c'est la même chose.
The more it changes, the more it stays the same. http://www.oxforddictionaries.com/definition/english/plus-%C3%A7a-change
The more things change, the more they stay the same. https://en.wiktionary.org/wiki/the_more_things_change,_the_more_they_stay_the_same
The more that things change, the more they stay the same.
It changes superficially; but, underneath, its essence is always the same.
Les Guêpes, January 1849, vi
Also quoted by Rush in “Circumstances,” Hemispheres (October 29, 1978).
Original
Plus ça change, plus c'est la même chose.
Help us to complete the source, original and additional information
Alphonse Karr 3
French critic, journalist, and novelist 1808–1890Related quotes

“The only thing I would do different is more of the same.”
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http://www.ubu.com/film/stockhausen_tuning.html
Tuning In (1981) BBC documentary on Stockhausen.
Attributed

Source: Why Men Earn More (2005), p. 93-94.

1960's
undated quotes
Source: Warhol in his own words – Untitled Statements ( 1963 – 1987), selected by Neil Printz; as quoted in Andy Warhol, retrospective, Art and Bullfinch Press / Little Brown, 1989, pp. 457 – 467

Out of Control: The New Biology of Machines, Social Systems and the Economic World (1995), New Rules for the New Economy: 10 Radical Strategies for a Connected World (1999)