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The demand for certainty is one that is natural to man but is nevertheless an intellectual vice.

Bertrand Russell

None of our beliefs are quite true; all have at least a penumbra of vagueness and error.
BERTRAND RUSSELL

Believe Ourselves Philosophy Quite True
What is wanted is not the will to believe, but the will to find out, which is the exact opposite.
BERTRAND RUSSELL

Believe Deep Willing
Dogmatism is the greatest of mental obstacles to human happiness.
BERTRAND RUSSELL

Greatness Happiness Human Mental Obstacle
This has been my life. I have found it worth living, and would gladly live it again if the chance were offered to me.
BERTRAND RUSSELL

Happiness Life Live Myself Satisfaction Worth
To fear love is to fear life, and those who fear life are already 3 parts dead.
BERTRAND RUSSELL

Death Fear Life Love Philosophy
The secret of happiness is very simple: let your interests be as wide as possible, and let your reactions to the things and persons that interest you be as far as possible friendly rather than hostile.
BERTRAND RUSSELL

Friendship Happiness Philosophy Secret Yourself
Even if all the experts agree, they may well be mistaken.
BERTRAND RUSSELL

Mistake Science
One of the symptoms of an approaching nervous breakdown is the belief that one’s work is terribly important.
BERTRAND RUSSELL

Believe Important Oneself
There are two motives for reading a book; one, that you enjoy it; the other, that you can boast about it.
BERTRAND RUSSELL

Book Enjoyment Reading
It is a waste of energy to be angry with a man who behaves badly, just as it is to be angry with a car that won’t go.
BERTRAND RUSSELL

Angry Energy Philosophy Waste
Is there any knowledge in the world that is so certain that no reasonable man could doubt it?
BERTRAND RUSSELL

Doubt Knowledge Philosophy World
Do not fear to be eccentric in opinion, for every opinion now accepted was once eccentric.
BERTRAND RUSSELL

Acceptance Be Yourself Deep Fear
I think we ought always to entertain our opinions with some measure of doubt. I shouldn’t wish people dogmatically to believe any philosophy, not even mine.
BERTRAND RUSSELL

Believe Doubt Myself People Philosophy Thinking
Sometimes the hardest thing in life is to know which bridge to cross and which to burn.
BERTRAND RUSSELL

End Let Go Life
I hate being all tidy like a book in a library where nobody reads – prison is horribly like that.
BERTRAND RUSSELL

Book Hate Reading
Neither a man nor a crowd nor a nation can be trusted to act humanely or to think sanely under the influence of great fear.
BERTRAND RUSSELL

Act Fear Greatness Human Man Trust

The demand for certainty is one that is natural to man but is nevertheless an intellectual vice.

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The demand for certainty is one that is natural to man but is nevertheless an intellectual vice.

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