“Incompetence plus incompetence equals incompetence”
Source: The Peter Principle (1969), p. 107 (The Mathematics of Incompetence)
“Incompetence plus incompetence equals incompetence”
Source: The Peter Principle (1969), p. 107 (The Mathematics of Incompetence)
“One plus one does not equal two.”
Brace Yourself: The Five Heresies
The God Problem: How a Godless Cosmos Creates (2012)
“I guess 14% plus Jesus equals victory”
“Luck equals (1) diversification plus (2) persistence.”
The Power of No: Because One Little Word Can Bring Health, Abundance, and Happiness
“In the arithmetic of love, one plus one equals everything, and two minus one equals nothing.”
The Complete Neurotic's Notebook (1981), Love
“Danger plus survival equals fun.
--From A Work in Progress”
Rush Lyrics
“Science fiction is no more written for scientists than ghost stories are written for ghosts.”
Penguin Science Fiction (1961) Introduction
“Minus times minus equals plus,
The reason for this we need not discuss.”
As stated in "The Poet Himself" http://query.nytimes.com/gst/fullpage.html?res=9F01E6D81539F937A35753C1A967948260 by Paul Fussell, in The New York Times (4 October 1981), these lines were a "math mnemonic" which Auden "had to memorize as a child."
Misattributed
“The formula 'two plus two equals five' is not without its attractions.”
Part 1, Chapter 9 (page 31)
Notes from Underground (1864)