When blocked or defeated in an enterprise I had much at heart, I always turned immediately to another field of work where progress looked possible, biding my time for a chance to resume the obstructed road.

Books are the quietest and most constant of friends.

I have a conviction that a few weeks spent in a well organized summer camp may be of more value educationally than a whole year of formal school work.

All business proceeds on beliefs, or judgments of probabilities, and not on certainties.

The efficient man is the man who thinks for himself.

Books are the quietest and most constant of friends; they are the most accessible and wisest of counsellors, and the most patient of teachers.

In the modern world the intelligence of public opinion is the one indispensable condition for social progress.