A pessimist looks at his glass and says it is half empty; an optimist looks at it and says it is half full.
Josiah Stamp (1880-1941) English industrialist, economist, statistician, banker
Comment (1935)
There is substantial evidence that Stamp used this now-cliched phrase, or variations of it, on multiple spoken occasions in 1935, the earliest references I could find.
- The Railway Service Journal (later Transport Salaried Staff Journal) mentions 1935 after-dinner remarks by Stamp: "After dinner, Sir Josiah Stamp defined an optimist as 'the man who looks at his glass and says it is half full,' and the pessimist as 'the man who looks at it and says it is half empty.'" [Source]
- Similarly, the Bristol Chamber of Commerce Journal mentions a 1935 speech: "A pessimist is a man who looks at the glass and describes it as half empty, and an optimist is a man who describes it as half full. It is all a question of the point of view." [Source]
- A New York Times article (12 Nov 1935) includes "I came recently upon a graphic distinction drawn by Sir Josiah Stamp between an optimist and a pessimist," followed by the phrasing noted at the top. [Source, Source]
Quotations about:
pessimist
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A man prone to suspect evil is most looking for in his neighbor what he sees in himself.
Julius Hare (1795-1855) English cleric, theologian
Guesses at Truth: First Series (1827) [with A. W. Hare]
There are two kinds of Friends in our Society, and two kinds of people in the world: there are therefore people, and there are however people. Therefore people say, “There are children going to bed hungry in our community, Therefore …” and they proceed to devise and define the ways in which they can meet the need in their community. However people make the same beginning statement, “There are children going to bed hungry in our community,” but they follow that statement with, “However …” and they explain why nothing can be done about it.
Henry Joel Cadbury (1883-1974) American biblical scholar, Quaker historian, writer, activist
(Attributed)
Quoted in Synthesis (8 May 1994).
I don’t want to be bitter about life — about love and friendship and all the human emotional entanglements. I’ve had more than my share of human disappointments, deprivations, disillusionment. I want to love people and life above all; I want to be able to say always, “if you feel bitter or disillusioned, there is something wrong with yourself, not with people, not with life.”
Henry Miller (1891-1980) American novelist
Letter to Anaïs Nin (24 May 1933)
Both optimists and pessimists contribute to our society. The optimist invents the airplane and the pessimist the parachute.
G. B. Stern (1890-1973) British writer [Gladys Bronwyn Stern]
(Attributed)
A pessimist is a man who looks both ways before crossing a one-way street.
Lawrence J. Peter (1919-1990) American educator, management theorist
Peter’s Quotations (1977)
No pessimist ever discovered the secrets of stars, or sailed to an uncharted land, or opened a new Heaven to the human spirit.
Don’t ever become a pessimist, Ira; a pessimist is correct oftener than an optimist, but an optimist has more fun — and neither can stop the march of events.
Robert A. Heinlein (1907-1988) American writer
Time Enough for Love [Lazarus Long] (1973)
Humor is just another defense against the universe.
Mel Brooks (b. 1926) American comedic actor, writer, producer [b. Melvyn Kaminsky]
(Attributed)