The cultured man is an artist, an artist in humanity.

The world is so full of wonderful things we should all, if we were taught how to appreciate it, be far richer than kings.

The moments of happiness we enjoy take us by surprise. It is not that we seize them, but that they seize us.

For the person and for the species love is the form of behavior having the highest survival value.

The measure of man's humanity is the extent and intensity of his love for mankind.

Man is the only 150 pound nonlinear servomechanism that can be wholly reproduced by unskilled labor.

To admit ignorance is to exhibit wisdom.