We have provided for the survival of man against all enemies except his fellow man

We are restless because of incessant change, but we would be frightened if change were stopped.

The error of youth is to believe that intelligence is a substitute for experience, while the error of age is to believe experience is a substitute for intelligence.

Philosophers are capable of almost endless enjoyment of mutual misunderstanding.

We are restless because of incessant change, but we would be frightened if change were stopped.

The best way to know a man is to know his friends and enemies first.