Books are the quietest and most constant of friends.

One could get a first-class education from a shelf of books five feet long.

The fruit of liberal education is not learning, but the capacity and desire to learn, not knowledge, but power.

In some small field each child should attain, within the limited range of its experience and observation, the power to draw a justly limited inference from observed facts.

You know that it is only through work that you can achieve anything, either in college or in the world

Be unselfish. That is the first and final commandment for those who would be useful and happy in their usefulness. If you think of yourself only, you cannot develop because you are choking the source of development, which is spiritual expansion through thought for others.

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.