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

Bertrand Russell

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
To be without some of the things you want is an indispensable part of happiness.
BERTRAND RUSSELL

Happiness Philosophy Satisfaction
I say quite deliberately that the Christian religion, as organized in its churches, has been and still is the principal enemy of moral progress in the world.
BERTRAND RUSSELL

Enemy Quite Religion World
Conquer the world by intelligence, and not merely by being slavishly subdued by the terror that comes from it.
BERTRAND RUSSELL

Deep Intelligence World
Few people can be happy unless they hate some other person, nation, or creed.
BERTRAND RUSSELL

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

Believe Ourselves Philosophy Quite True
One of the most powerful of all our passions is the desire to be admired and respected.
BERTRAND RUSSELL

Desire Ourselves Passion Power Respect
A man is rational in proportion as his intelligence informs and controls his desires.
BERTRAND RUSSELL

Desire Intelligence Man
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
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
Of all forms of caution, caution in love is perhaps the most fatal to true happiness.
BERTRAND RUSSELL

Death Happiness Love True
It has been said that man is a rational animal. All my life I have been searching for evidence that could support this.
BERTRAND RUSSELL

Animal Evidence Life Man Myself Philosophy Search Support
Mathematics rightly viewed possesses not only truth but supreme beauty.
BERTRAND RUSSELL

Beautiful Mathematics Truth View
Love is something far more than the desire for sexual intercourse it is the principal means of escape from the loneliness which afflicts most men and women throughout the greater part of their lives.
BERTRAND RUSSELL

Desire Live Lonely Love Man Philosophy Sex Woman
Those who have never known the deep intimacy and the intense companionship of happy mutual love have missed the best thing that life has to give.
BERTRAND RUSSELL

Company Happiness Life Love
Language serves not only to express thought but to make possible thoughts that could not exist without it.
BERTRAND RUSSELL

Deep Existence Language Possible

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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