“Knowing what you can not do is more important than knowing what you can do. In fact, that's good taste.”
Quoted in Eleanor Harris, The Real Story of Lucille Ball, ch. 1 (1954)
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Lucille Ball 25
American actress and businesswoman 1911–1989Related quotes
“It's important to know what you don't want, but it's vital to know what you DO want.”
Source: Life, the Truth, and Being Free (2010), p. 152

“You can change only what people know, not what they do.”
Source: God's Debris: A Thought Experiment
"All You Have to Be is You" (11 December 2007) http://www.youtube.com/watch?v=WbyUCzBJVe4

“It doesn't matter what you can do if you don't know why you're doing it.”
Source: Eating the Dinosaur

“The most important thing we can do for you is what you can do for yourselves”
8 November, 2015
As President, 2015
Source: RT https://actualidad.rt.com/actualidad/190886-rajoy-discurso-podais-hacer-vosotros
interview at John's studio, Billy Klüver, March 1963, as quoted in Jasper Johns, Writings, sketchbook Notes, Interviews, ed. Kirk Varnedoe, Moma New York, 1996, p. 85
1960s

About the film, The Social Network
The Curious Case of David Fincher (2007)