Pessimist by policy, optimist by temperament — it is possible to be both. How? By never taking an unnecessary chance and by minimizing risks you can’t avoid. This permits you to play out the game happily, untroubled by the certainty of the outcome.
Robert A. Heinlein
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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
I am an optimist, unrepentant and militant. After all, in order not to be a fool, an optimist must know what a sad place the world can be. It is only the pessimist who finds this out anew every day.
Peter Ustinov
Some consider that when I play I am excessively cautious, but it seems to me that the question may be a different one. I try to avoid chance. Those who rely on chance should play cards or roulette. Chess is something quite different.
Tigran Petrosian
Let us assume that we invited an unknown person to a game of cards. If this person answered us, “I don’t play,” we would either interpret this to mean that he did not understand the game, or that he had an aversion to it which arose from economic, ethical, or other reasons. Let us imagine, however, that an honorable man, who was known to possess every possible skill in the game, and who was well versed in its rules and its forbidden tricks, but who could like a game and participate in it only when it was an innocent pastime, were invited into a company of clever swindlers, who were known as good players and to whom he was equal on both scores, to join them in a game. If he said, “I do not play,” we would have to join him in looking the people with whom he was talking straight in the face, and would be able to supplement his words as follows: “I don’t play, that is, with people such as you, who break the rules of the game, and rob it of its pleasure. If you offer to play a game, our mutual agreement, then, is that we recognize the capriciousness of chance as our master; and you call the science of your nimble fingers chance, and I must accept it as such, it I will, or run the risk of insulting you or choose the shame of imitating you.” … The opinion of Socrates can be summarized in these blunt words, when he said to the Sophists, the leaned men of his time, “I know nothing.” Therefore these words were a thorn in their eyes and a scourge on their backs.
Johann Georg Hamann
Basically I'm an optimist. Intellectually I can see man's balance is about fifty-fifty, and his chances of blowing himself up are about one to one. I can't see this any way but intellectually. I'm just emotionally unable to believe that he will do this. This means that I am by nature an optimist and by intellectual conviction a pessimist, I suppose.
William Golding
Heinlein, Robert A.
Heinrich, Bernd
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