America is a mistake, a giant mistake.

The price we pay for our advance in civilization is a loss of happiness through the heightening of the sense of guilt.

Words and magic were in the beginning one and the same thing, and even today words retain much of their magical power.

The most complicated achievements of thought are possible without the assistance of consciousness.

In general people experience their present naively, as it were, without being able to form an estimate of its contents; they have first to put themselves at a distance from it - the present, that is to say, must have become the past - before it can yield points of vantage from which to judge the future.

America is a mistake, a giant mistake.

It is unreasonable to expect science to produce a system of ethics-ethics are a kind of highway code for traffic among mankind-and the fact that in physics atoms which were yesterday assumed to be square are now assumed to be round is exploited with unjustified tendentiousness by all who are hungry for faith; so long as physics extends our dominion over nature, these changes ought to be a matter of complete indifference to you.