There is no difference between someone who eats too little and sees Heaven and someone who drinks too much and sees snakes..

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.

All great books contain boring portions, and all great lives have contained uninteresting stretches..

An atheist, like a Christian, holds that we can know whether or not there is a God. The Christian holds that we can know there is a God; the atheist,….

Our beliefs are, however, often contrary to fact..

Bad philosophers may have a certain influence; good philosophers, never..

Ironclads and Maxim guns must be the ultimate arbiters of metaphysical truth..

I must confess that I am deeply troubled. I fear that human beings are intent upon acting out a vast deathwish and that it lies with us now to make e….

If we were all given by magic the power to read each other's thoughts, I suppose the first effect would be to dissolve all friendships..

Do not fear to be eccentric in opinion, for every opinion now accepted was once eccentric..

The first essential character [of civilization], I should say, is forethought. This, indeed, is what mainly distinguishes men from brutes and adults ….

I do not believe that science per se is an adequate source of happiness, nor do I think that my own scientific outlook has contributed very greatly t….

At first it seems obvious, but the more you think about it the stranger the deductions from this axiom seem to become; in the end you cease to unders….

I feel as if one would only discover on one's death bed what one ought to have lived for.

Religion is based, I think, primarily and mainly upon fear..

A widespread belief is more often likely to be foolish than sensible..

All the conditions of happiness are realized in the life of the man of science..

In the revolt against idealism, the ambiguities of the word experience have been perceived, with the result that realists have more and more avoided ….

If we spent half an hour every day in silent immobility, I am convinced that we should conduct all our affairs, personal, national, and international….

Those who have never known the deep intimacy and the intense companionship of happy mutual love have missed the best thing that life has to give..

Mathematics takes us into the region of absolute necessity, to which not only the actual word, but every possible word, must conform..