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Science is what you know, philosophy is what you don’t know.

Bertrand Russell

Men are born ignorant, not stupid; they are made stupid by education.
BERTRAND RUSSELL

Born Education Man Stupidity
Conquer the world by intelligence, and not merely by being slavishly subdued by the terror that comes from it.
BERTRAND RUSSELL

Deep Intelligence World
Do not fear to be eccentric in opinion, for every opinion now accepted was once eccentric.
BERTRAND RUSSELL

Acceptance Be Yourself Deep Fear
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 happy life must be to a great extent a quiet life, for it is only in an atmosphere of quiet that true joy can live.
BERTRAND RUSSELL

Greatness Happiness Live Quiet True
Mathematics rightly viewed possesses not only truth but supreme beauty.
BERTRAND RUSSELL

Beautiful Mathematics Truth View
It’s easy to fall in love. The hard part is finding someone to catch you.
BERTRAND RUSSELL

Easy Fall In Love Relationship
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
Even if all the experts agree, they may well be mistaken.
BERTRAND RUSSELL

Mistake Science
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
Whoever wishes to become a philosopher must learn not to be frightened by absurdities.
BERTRAND RUSSELL

Fear Mad Philosophy
No one ever gossips about the virtues of others.
BERTRAND RUSSELL

Oneself Virtue
Extreme hopes are born from extreme misery.
BERTRAND RUSSELL

Born Hope Misery
Man is a credulous animal, and must believe something; in the absence of good grounds for belief, he will be satisfied with bad ones.
BERTRAND RUSSELL

Absence Animal Believe Man Philosophy Satisfaction
The hardest thing to learn in life is which bridge to cross and which to burn.
BERTRAND RUSSELL

Burn Hard Learning Let Go Life
To be able to fill leisure intelligently is the last product of civilization, and at present, very few people have reached this level.
BERTRAND RUSSELL

Intelligence Prepare Present
Language serves not only to express thought but to make possible thoughts that could not exist without it.
BERTRAND RUSSELL

Deep Existence Language Possible
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
The demand for certainty is one that is natural to man but is nevertheless an intellectual vice.
BERTRAND RUSSELL

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

Greatness Problem Science Thinking
Three passions, simple but overwhelmingly strong, have governed my life: the longing for love, the search for knowledge, and unbearable pity for the suffering of mankind.
BERTRAND RUSSELL

Knowledge Life Love Passion Search Simplicity Strong Suffering
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
I would never die for my beliefs because I might be wrong.
BERTRAND RUSSELL

Believe Death Myself Wrong
Neither a man nor a crowd nor a nation can be trusted to act humanely or to think sanely under the influence of great fear.
BERTRAND RUSSELL

Act Fear Greatness Human Man Trust
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
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
The most savage controversies are those about matters as to which there is no good evidence either way.
BERTRAND RUSSELL

Evidence Goodness Savage

Science is what you know, philosophy is what you don’t know.

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Science is what you know, philosophy is what you don’t know.

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