In a democracy it is necessary that people should learn to endure having their sentiments outraged.
Experience has taught me a technique for dealing with such people [...] I counter the devotees of the Great Pyramid by adoration of the Sphinx; and the devotee of nuts by pointing out that hazelnuts and walnuts are as deleterious as other foods and only Brazil nuts should be tolerated. But when I was younger I had not yet acquired this technique, with the result that my contacts with cranks were sometimes alarming.
The degree of one's emotions varies inversely with one's knowledge of the facts - the less you know the hotter you get.
The place of the father in the modern suburban family is a very small one, particularly if he plays golf.
All serious innovation is only rendered possible by some accident enabling unpopular persons to survive.
Man can be stimulated by hope or driven by fear, but the hope and the fear must be vivid and immediate if they are to be effective without producing weariness.
Only mathematics and mathematical logic can say as little as the physicist means to say.
Unless a man has been taught what to do with success after getting it, the achievement of it must inevitably leave him a prey to boredom.
Thee might observe incidentally that if the state paid for child-bearing it might and ought to require a medical certificate that the parents were such as to give a reasonable result of a healthy child -- this would afford a very good inducement to some sort of care for the race, and gradually as public opinion became educated by the law, it might react on the law and make that more stringent, until one got to some state of things in which there would be a little genuine care for the race, instead of the present haphazard higgledy-piggledy ways.
The three main extra-rational activities in modern life are religion, war, and love. all these are extra-rational, but love is not anti-rational, that is to say, a reasonable man may reasonably rejoice in its existence
For a good notation has a subtlety and suggestiveness which at times make it seem almost like a live teacher.
In human relations one should penetrate to the core of loneliness in each person and speak to that.
Whether science-and indeed civilization in general-can long survive depends upon psychology, that is to say, it depends upon what human beings desire.
Science is no substitute for virtue; the heart is as necessary for a good life as the head.
In adolescence, I hated life and was continually on the verge of suicide, from which, however, I was restrained by the desire to know more mathematics. Now, on the contrary, I enjoy life; I might almost say that with every year that passes I enjoy it more.
A life devoted to science is therefore a happy life, and its happiness is derived from the very best sources that are open to dwellers on this troubled and passionate planet.
A physicist looks for causes; that does not necessarily imply that there are causes everywhere. A man may look for gold without assuming that there is gold everywhere; if he finds gold, well and good, if he doesn't he's had bad luck. The same is true when the physicists look for causes.
When I was 4 years old ... I dreamt that I'd been eaten by a wolf, and to my great surprise I was in the wolf's stomach and not in heaven.
You, your families, your friends and your countries are to be exterminated by the common decision of a few brutal but powerful men. To please these men, all the private affections, all the public hopes, all that has been achieved in art, and knowledge and thought and all that might be achieved hereafter is to be wiped out forever. Our ruined lifeless planet will continue for countless ages to circle aimlessly round the sun unredeemed by the joys and loves, the occasional wisdom and the power to create beauty which have given value to human life.
No man who believes that all is for the best in this suffering world can keep his ethical values unimpaired, since he is always having to find excuses for pain and misery.
[One] must look into hell before one has any right to speak of heaven.
The rules of logic are to mathematics what those of structure are to architecture.
The saviors of the world, society's last hope.
Our beliefs are, however, often contrary to fact.
I cannot escape from the conclusion that the great ages of progress have depended upon a small number of individuals of transcendent ability.
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