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

Bertrand Russell

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

Death Happiness Love True
The fundamental cause of the trouble is that in the modern world the stupid are cocksure while the intelligent are full of doubt.
BERTRAND RUSSELL

Doubt Fundamental Intelligence World
Whoever wishes to become a philosopher must learn not to be frightened by absurdities.
BERTRAND RUSSELL

Fear Mad Philosophy
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
Few people can be happy unless they hate some other person, nation, or creed.
BERTRAND RUSSELL

Happiness Hate People Person
Dogmatism is the greatest of mental obstacles to human happiness.
BERTRAND RUSSELL

Greatness Happiness Human Mental Obstacle
Machines have altered our way of life, but not our instincts. Consequently, there is maladjustment.
BERTRAND RUSSELL

Deep Life Ourselves Way
Anything you’re good at contributes to happiness.
BERTRAND RUSSELL

Goodness Happiness Yourself
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
Not to be absolutely certain is, I think, one of the essential things in rationality.
BERTRAND RUSSELL

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

Believe Ourselves Philosophy Quite True
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
A man is rational in proportion as his intelligence informs and controls his desires.
BERTRAND RUSSELL

Desire Intelligence Man

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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