When the traveler goes alone he gets acquainted with himself.

My life has been a continuous fulfillment of dreams. It appears that everything I saw and did has a new, and perhaps, more significant meaning, every time I see it. The earth is good. It is a privilege to live thereon.

No beast has ever overcome the earth; and the natural world has never been conquered by muscular force.

Anyone who acquires more than the usual amount of knowledge concerning a subject is bound to leave it as his contribution to the knowledge of the world.

There is no excellence without labor. One cannot dream oneself into either usefulness or happiness.

One's happiness depends less on what he knows than on what he feels.

Give the children an opportunity to make garden. Let them grow what they will. It matters less that they grow good plants than that they try for themselves.