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.

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

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.

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