We do not know, in most cases, how far social failure and success are due to heredity, and how far to environment. But environment is the easier of the two to improve.

There can be no truce between science and religion.

I have never yet met a healthy person who worried very much about his health, or a really good person who worried much about his own soul.

The wise man regulates his conduct by the theories both of religion and science. But he regards these theories not as statements of ultimate fact but as art-forms.

If one could conclude as to the nature of the Creator from a study of his creation it would appear that God has a special fondness for stars and beetles.

A fairly bright boy is far more intelligent and far better company than the average adult.