Sciencehas won for us a great liberty in the physical world, a liberty from superstitious fear and from disease, a freedom touse nature as a familiar servant; but it has not freed us from ourselves.

By 'radical,' I understand one who goes too far; by 'conservative,' one who does not go far enough; by 'reactionary,' one who won't go at all.

I can predict with absolute certainty that within another generation there will be another world war if the nations of the world do not concert the method by which to prevent it.

What is the use of voting? We know that the machines of both parties are subsidized by the same persons, and therefore it is useless to turn in either direction.

We must believe the things We teach our children

Never for a moment have I had one doubt about my religious beliefs. There are people who believe only so far as they can understand--that seems to me presumptuous and sets their understanding as the standard of the universe.

There is no indispensable man.