The wise man thinks about his troubles only when there is some purpose in doing so; at other times he thinks about other things, or, if it is night, about nothing at all.

Analytic It is clear that the definition of "logic" or "mathematics" must be sought by trying to give a new definition of the old notion of "analytic" propositions.

Science seems to be at war with itself.... Naive realism leads to physics, and physics, if true, shows naive realism to be false. Therefore naive realism, if true, is false; therefore it is false.

The road to happiness and prosperity lies in an organized diminution of work.

The institution of representative government to us seems an essential part of democracy, but the ancients never thought of it. Its immense merit was that it enabled a large constituency to exert indirect power, and thus made possible the distribution of political responsibility throughout the great states of modern times.

The degree of one's emotions varies inversely with one's knowledge of the facts - the less you know the hotter you get.

Mathematics rightly viewed possesses not only truth but supreme beauty.