Life is nothing but a competition to be the criminal rather than the victim.

Moreover, the attitude that one ought to believe such and such a proposition, independently of the question whether there is evidence in its favor, is an attitude which produces hostility to evidence and causes us to close our minds to every fact that does not suit our prejudices.

If we were all given by magic the power to read each other's thoughts, I suppose the first effect would be to dissolve all friendships.

Understanding human nature must be the basis of any real improvement in human life. Science has done wonders in mastering the laws of the physical world, but our own nature is much less understood, as yet, than the nature of stars and electrons. When science learns to understand human nature, it will be able to bring a happiness into our lives which machines and the physical sciences have failed to create.

Drunkenness is temporary suicide.

The scientific attitude of mind involves a sweeping away of all other desires in the interest of the desire to know.

The fundamental defect of fathers, in our competitive society, is that they want their children to be a credit to them.