“I don't know what I feel or what I want to feel. I don't know what to think or what I am.”
Fernando Pessoa book The Book of Disquiet
Source: The Book of Disquiet
Boccioni's quote, from an undated letter to Gino Severini (probably July or August 1912, or November); as quoted in Futurism, ed. Didier Ottinger; Centre Pompidou / 5 Continents Editions, Milan, 2008.
1912
“I don't know what I feel or what I want to feel. I don't know what to think or what I am.”
Fernando Pessoa book The Book of Disquiet
Source: The Book of Disquiet
“Basic research is what I am doing when I don't know what I am doing.”
Wernher von Braun (1912–1977) German, later an American, aerospace engineer and space architect
In an interview in the New York Times (16 December 1957), cited in a footnote on page 32 of "Work, Society, and Culture" by Yves Reni Marie Simon, and also in a footnote (in German) on page 360 of "Vita activa oder Vom taetigen Leben" by Hannah Arend (1981)
Variants:
Basic research is when I'm doing what I don't know I'm doing.
Research is what I'm doing when I don't know what I'm doing.
Basic research is what I am doing when I don't know what I am doing.
Umberto Boccioni (1882–1916) Italian painter and sculptor
1912
Source: an 2nd undated letter to Gino Severini (probably July or August 1912, or November); as quoted in Futurism, ed. Didier Ottinger; Centre Pompidou / 5 Continents Editions, Milan, 2008.
Gilbert O'Sullivan (1946) Irish singer-songwriter
"Doing What I Know" (song) <br class="br">Song lyrics <br class="br">Source: Gilbert O'Sullivan, "Doing What I Know" https://www.youtube.com/watch?v=YlkC9AFrSNU (song on YouTube)
Anne Bancroft (1931–2005) American actress
Interview on her role in the Broadway play "Two for the Seesaw". The New York Times (1958).
“What is my life for and what am I going to do with it? I don't know and I'm afraid.”
Sylvia Plath (1932–1963) American poet, novelist and short story writer
Source: The Journals of Sylvia Plath
Buckminster Fuller (1895–1983) American architect, systems theorist, author, designer, inventor and futurist
I Seem to Be a Verb (1970)
1970s
John S. Hall (1960) Poet, author, singer, lawyer
Quotes from interviews
“I do not always know what I want, but I do know what I don't want.”
Stanley Kubrick (1928–1999) American film director, screenwriter, producer, cinematographer and editor