Be isolated, be ignored, be attacked, be in doubt, be frightened, but do not be silenced..

To avoid the various foolish opinions to which mankind are prone, no superhuman genius is required. A few simple rules will keep you, not from all er….

More cranks take up unfashionable errors than unfashionable truths..

It is entirely clear that there is only one way in which great wars can be permanently prevented, and that is the establishment of an international g….

Whenever one finds oneself inclined to bitterness, it is a sign of emotional failure..

If any philosopher had been asked for a definition of infinity, he might have produced some unintelligible rigmarole, but he would certainly not have….

Ideas and principles that do harm are as a rule, though not always, cloaks for evil passions..

Well, there are many religions, but I suppose they all worship the same God..

I found one day in school a boy of medium size ill-treating a smaller boy. I expostulated, but he replied: "The bigs hit me, so I hit the babies; tha….

Next to enjoying ourselves, the next greatest pleasure consists in preventing others from enjoying themselves, or, more generally, in the acquisition….

Physics is mathematical not because we know so much about the physical world, but because we know so little; it is only its mathematical properties t….

Of course not. After all, I may be wrong..

No rules, however wise, are a substitute for affection and tact..

Respectability, regularity, and routine - the whole cast-iron discipline of a modern industrial society - have atrophied the artistic impulse, and im….

Language serves not only to express thought but to make possible thoughts which could not exist without it..

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

Is there any knowledge in the world which is so certain that no reasonable man could doubt it?.

All's well that ends well; which is the epitaph I should put on my tombstone if I were the last man left alive..

One of the commonest things to do with savings is to lend them to some Government. In view of the fact that the bulk of the public expenditure of mos….

Plato has dramatic strength ... but is quite unaware of the strength of the argument against his position ... and allows himself to be grossly unfair….

Inferences of Science and Common Sense differ from those of deductive logic and mathematics in a very important respect, namely, when the premises ar….