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

The Axiom of Choice is necessary to select a set from an infinite number of socks, but not an infinite number of shoes..

To choose one sock from each of infinitely many pairs of socks requires the Axiom of Choice, but for shoes the Axiom is not needed..

Unless you assume a God, the question of life's purpose is meaningless..

This has been my life. I have found it worth living, and would gladly live it again if the second chance were offered me..

On the one hand, philosophy is to keep us thinking about things that we may come to know, and on the other hand to keep us modestly aware of how much….

[There are m]oral precepts that we consider really important, such as 'don't pick your nose' or 'don't eat peas with a knife'. There may, for ought I….

Aristotle is the last Greek philosopher who faces the world cheerfully; after him, all have, in one form or another, a philosophy of retreat..

Never try to discourage thinking, for you are sure to succeed..

When a man acts in ways that annoy us we wish to think him wicked, and we refuse to face the fact that his annoying behavior is the result of anteced….

Memory demands an image..

The practice of inhibiting impulses, which is to a great extent necessary to civilized life, makes mistakes easier, by preventing experience of the a….

Love is wise; hatred is foolish. In this world, which is getting more and more closely interconnected, we have to learn to tolerate each other, we ha….

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

Men are born ignorant, not stupid. They are made stupid by education..

I did not know I loved you until I heard myself telling so, for one instance I thought, "Good God, what have I said?" and then I knew it was true..

The more intense has been the religion of any period and the more profound has been the dogmatic belief, the greater has been the cruelty and the wor….

Public opinion is always more tyrannical towards those who obviously fear it than towards those who feel indifferent to it..

To fear love is to fear life, and those who fear life are already three parts dead..

There will still be things that machines cannot do. They will not produce great art or great literature or great philosophy; they will not be able to….

The root of the matter is a very simple and old fashioned thing... love or compassion. If you feel this, you have a motive for existence, a guide for….