It is too difficult to think nobly when one thinks only of earning a living.

Do to others as you would have others do to you, inspires all men with that other maxim of natural goodness a great deal less perfect, but perhaps more useful: Do good to yourself with as little prejudice as you can to others.

Never did I think so much, exist so much, be myself so much as in the journeys I have made alone and on foot. Walking has something about it which animates and enlivens my ideas. I can hardly think while I am still; my body must be in motion to move my mind.

It is too difficult to think nobly when one thinks only of earning a living.

It is in man's heart that the life of nature's spectacle exists; to see it, one must feel it.

Provided a man is not mad, he can be cured of every folly but vanity.

Education is either from nature, from man or from things. The developing of our faculties and organs is the education of nature; that of man is the application we learn to make of this very developing; and that of things is the experience we acquire in regard to the different objects by which we are affected. All that we have not at our birth, and that we stand in need of at the years of maturity, is the gift of education.