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

Bertrand Russell

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

Easy Fall In Love Relationship
No one gossips about other people’s secret virtues.
BERTRAND RUSSELL

People Secret Virtue
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
The wise man thinks about his troubles only when there is some purpose in doing so; at other times he thinks about other things, or, if it is night, about nothing at all.
BERTRAND RUSSELL

Man Night Purpose Thinking Wisdom
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
The fundamental concept in social science is power, in the same sense in which energy is the fundamental concept in physics.
BERTRAND RUSSELL

Energy Fundamental Power Science
Mathematics rightly viewed possesses not only truth but supreme beauty.
BERTRAND RUSSELL

Beautiful Mathematics Truth View
One must care about a world one will not see.
BERTRAND RUSSELL

Deep Future Oneself See World
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
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
Not to be absolutely certain is, I think, one of the essential things in rationality.
BERTRAND RUSSELL

Myself Philosophy Thinking
Your writing is never as good as you hoped, but never as bad as you feared.
BERTRAND RUSSELL

Fear Goodness Hope Writing Yourself
To fear love is to fear life, and those who fear life are already 3 parts dead.
BERTRAND RUSSELL

Death Fear Life Love Philosophy
Boredom is therefore a vital problem for the moralist, since at least half the sins of mankind are caused by the fear of it.
BERTRAND RUSSELL

Deep Fear Mankind Problem Sin
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
Men who are unhappy, like men who sleep badly, are always proud of the fact.
BERTRAND RUSSELL

Happiness Man Philosophy

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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