Pessimists are usually right and optimists are usually wrong but all the great changes have been accomplished by optimists.
Both optimists and pessimists contribute to society. The optimist invents the aeroplane, the pessimist the parachute.
The optimist thinks this is the best of all possible worlds. The pessimist fears it is true.
The pessimist complains about the wind; the optimist expects it to change; the realist adjusts the sails.
The nice part about being a pessimist is that you are constantly being either proven right or pleasantly surprised.
A pessimist sees the difficulty in every opportunity; an optimist sees the opportunity in every difficulty.
A pessimist is one who makes difficulties of his opportunities and an optimist is one who makes opportunities of his difficulties.
The optimist sees the rose and not its thorns; the pessimist stares at the thorns, oblivious to the rose.
We are all in the gutter, but some of us are looking at the stars.
An optimist stays up until midnight to see the new year in. A pessimist stays up to make sure the old year leaves.
Pessimist: One who, when he has the choice of two evils, chooses both.
There is no sadder sight than a young pessimist.
The man who is a pessimist before 48 knows too much; if he is an optimist after it, he knows too little.
Optimism - the doctrine or belief that everything is beautiful, including what is ugly.
An optimist will tell you the glass is half-full; the pessimist, half-empty; and the engineer will tell you the glass is twice the size it needs to be.
I have never seen a monument erected to a pessimist.
A pessimist is a man who tells the truth prematurely.
I'm a pessimist because of intelligence, but an optimist because of will.
The basis of optimism is sheer terror.
Creeds matter very little... The optimist proclaims that we live in the best of all possible worlds; and the pessimist fears this is true. So I elect for neither label.
A pessimist is a man who has been compelled to live with an optimist.
A pessimist is one who builds dungeons in the air.
We live in the best of all possible worlds
A pessimist sees only the dark side of the clouds and mopes; a philosopher sees both sides and shrugs; an optimist doesn't see the clouds at all - he's walking on them.
A pessimist is a person who has had to listen to too many optimists.
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