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Is there any knowledge in the world that is so certain that no reasonable man could doubt it?

Bertrand Russell

No nation was ever so virtuous as each believes itself, and none was ever so wicked as each believes the other.
BERTRAND RUSSELL

Believe Deep Nation Virtue
The good life is inspired by love and guided by knowledge.
BERTRAND RUSSELL

Goodness Inspirational Knowledge Life
Aristotle maintained that women have fewer teeth than men; although he was twice married, it never occurred to him to verify this statement by examining his wives’ mouths.
BERTRAND RUSSELL

Himself Man Marriage Woman
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
Mathematics rightly viewed possesses not only truth but supreme beauty.
BERTRAND RUSSELL

Beautiful Mathematics Truth View
Of all forms of caution, caution in love is perhaps the most fatal to true happiness.
BERTRAND RUSSELL

Death Happiness Love True
Nothing is so exhausting as indecision, and nothing is so futile.
BERTRAND RUSSELL

Decision Deep Philosophy
Politics is largely governed by sententious platitudes which are devoid of truth.
BERTRAND RUSSELL

Deep Politics Truth
Even if all the experts agree, they may well be mistaken.
BERTRAND RUSSELL

Mistake Science
The greatest challenge to any thinker is stating the problem in a way that will allow a solution.
BERTRAND RUSSELL

Greatness Problem Science Thinking
Extreme hopes are born from extreme misery.
BERTRAND RUSSELL

Born Hope Misery
The hardest thing to learn in life is which bridge to cross and which to burn.
BERTRAND RUSSELL

Burn Hard Learning Let Go Life
Sometimes the hardest thing in life is to know which bridge to cross and which to burn.
BERTRAND RUSSELL

End Let Go Life
How much longer is the world willing to endure this spectacle of wanton cruelty?
BERTRAND RUSSELL

Endurance Philosophy Willing World
I believe in using words, not fists. I believe in my outrage knowing people are living in boxes on the street. I believe in honesty. I believe in a good time. I believe in good food. I believe in sex.
BERTRAND RUSSELL

Believe Food Goodness Honesty Live Myself People Sex Word
No one gossips about other people’s secret virtues.
BERTRAND RUSSELL

People Secret Virtue

Is there any knowledge in the world that is so certain that no reasonable man could doubt it?

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Is there any knowledge in the world that is so certain that no reasonable man could doubt it?

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