Common sense, however it tries, cannot avoid being surprised from time to time.
My own view on religion is . . . It helped in early days to fix the calendar, and . . . to chronicle eclipses . . . These two services I am prepared to acknowledge.
Plato has dramatic strength ... but is quite unaware of the strength of the argument against his position ... and allows himself to be grossly unfair in arguing against it.
In spreading his ideas, Plato was willing to employ emotional appeals, state propaganda, and the use of force.
The fact that all Mathematics is Symbolic Logic is one of the greatest discoveries of our age; and when this fact has been established, the remainder of the principles of mathematics consists of the analysis of Symbolic Logic itself.
In our complex world, there cannot be fruitful initiative without government, but unfortunately there can be government without initiative.
When I found myself regarded as respectable, I began to wonder what sins I had committed. I must be very wicked, I thought. I began to engage in the most uncomfortable introspection.
Beggars do not envy millionaires, though of course they will envy other beggars who are more successful.
It is not by delusion, however exalted, that mankind can prosper, but only by unswerving courage in the pursuit of truth.
My doctor said to me afterwards, 'When you were ill you behaved like a true philosopher. Every time you came to yourself you made a joke.' I never had a compliment that pleased me more.
Dogmatism is the greatest of mental obstacles to human happiness.
There are three ways of securing a society that shall be stable as regards population. The first is that of birth control, the second that of infanticide or really destructive wars, and the third that of general misery except for a powerful minority.
War grows out of ordinary human nature.
Uncertainty in the pressure of vivid hopes and fears is painful, but must be endured if we wish to live without the support of comforting fairy tales.
... mathematical knowledge ... is, in fact, merely verbal knowledge. "3" means "2+1", and "4" means "3+1". Hence it follows (though the proof is long) that "4" means the same as "2+2". Thus mathematical knowledge ceases to be mysterious.
One of the most painful circumstances of recent advances in science is that each one makes us know less than we thought we did
Zeno was concerned with three problems... These are the problem of the infinitesimal, the infinite, and continuity.
To create a healthy philosophy you should renounce metaphysics but be a good mathematician.
For over two thousand years it has been the custom among earnest moralists to decry happiness as something degraded and unworthy
There is little of the true philosophic spirit in Aquinas. He does not, like the Platonic Socrates, set out to follow wherever the argument may lead.
I am paid by the word, so I always write the shortest words possible.
Religion and Science are two aspects of social life, of which the former has been important as far back as we know anything of man
[Kant] was like many people: in intellectual matters he was skeptical, but in moral matters he believed imjplicitly in the maximx that he had imbibed at his mother's knee.
But I simply can't stand a view limited to this earth, I feel life is so small unless it has windows into other worlds...I like mathematics largely because it is not human.
The purpose of education is to teach a defense against eloquence.
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