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Not to be absolutely certain is, I think, one of the essential things in rationality.

Bertrand Russell

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
One must care about a world one will not see.
BERTRAND RUSSELL

Deep Future Oneself See World
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
Philosophy, from the earliest times, has made greater claims, and achieved fewer results, than any other branch of learning.
BERTRAND RUSSELL

Greatness Learning Philosophy Time
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
There is no reason to suppose that the world had a beginning at all. The idea that things must have a beginning is really due to the poverty of our thoughts.
BERTRAND RUSSELL

Beginning Ideas Philosophy Reason World
I consider the official Catholic attitude on divorce, birth control, and censorship exceedingly dangerous to mankind.
BERTRAND RUSSELL

Danger Man Myself Religion
Politics is largely governed by sententious platitudes which are devoid of truth.
BERTRAND RUSSELL

Deep Politics Truth
So far as I can remember there is not one word in the gospels in praise of intelligence.
BERTRAND RUSSELL

Intelligence Myself Religious Remember
One of the painful things about our time is that those who feel certainty are stupid, and those with any imagination and understanding are filled with doubt and indecision.
BERTRAND RUSSELL

Feeling Imagination Ourselves Pain Time Understand
It is the preoccupation with possessions, more than anything else, that prevents us from living freely and nobly.
BERTRAND RUSSELL

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

Doubt Knowledge Philosophy World
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
Language serves not only to express thought but to make possible thoughts that could not exist without it.
BERTRAND RUSSELL

Deep Existence Language Possible
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
Most people would sooner die than think; in fact, they do so.
BERTRAND RUSSELL

Death Deep People Philosophy Thinking

Not to be absolutely certain is, I think, one of the essential things in rationality.

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Not to be absolutely certain is, I think, one of the essential things in rationality.

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