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

Bertrand Russell

If there were in the world today any large number of people who desired their own happiness more than they desired the unhappiness of others, we could have paradise in a few years.
BERTRAND RUSSELL

Desire Happiness People Philosophy World
Mathematics, rightly viewed, possesses not only truth but supreme beauty – a beauty cold and austere.
BERTRAND RUSSELL

Beautiful Mathematics Truth View
Love is wise, hatred is foolish.
BERTRAND RUSSELL

Hate Love One Liner Wisdom
Conventional people are roused to fury by departure from convention, largely because they regard such departure as a criticism of themselves.
BERTRAND RUSSELL

Angry Leave People Philosophy
Not to be absolutely certain is, I think, one of the essential things in rationality.
BERTRAND RUSSELL

Myself Philosophy Thinking
So far as I can remember there is not one word in the gospels in praise of intelligence.
BERTRAND RUSSELL

Intelligence Myself Religious Remember
The whole problem with the world is that fools and fanatics are always so certain of themselves, and wiser people so full of doubts.
BERTRAND RUSSELL

Doubt Problem Wisdom World
Never try to discourage thinking, for you are sure to succeed.
BERTRAND RUSSELL

Success Thinking Try
And if there were a God, I think it very unlikely that he would have such an uneasy vanity as to be offended by those who doubt his existence.
BERTRAND RUSSELL

Doubt Existence God Myself Religion Thinking
Politics is largely governed by sententious platitudes which are devoid of truth.
BERTRAND RUSSELL

Deep Politics Truth
Love can flourish only as long as it is free and spontaneous; it tends to be killed by the thought of duty. To say that it is your duty to love so-and-so is the surest way to cause you to hate him of her.
BERTRAND RUSSELL

Freedom Hate Kill Love Philosophy Relationship
Every man, wherever he goes, is encompassed by a cloud of comforting convictions, which move with him like flies on a summer day.
BERTRAND RUSSELL

Comfortable Man Philosophy
In all affairs, it’s a healthy thing now and then to hang a question mark on the things you have long taken for granted.
BERTRAND RUSSELL

Healthy Philosophy
Do not feel envious of the happiness of those who live in a fool’s paradise, for only a fool will think that it is happiness.
BERTRAND RUSSELL

Deep Feeling Happiness Live
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
A man is rational in proportion as his intelligence informs and controls his desires.
BERTRAND RUSSELL

Desire Intelligence Man

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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