A wise system of education will at last teach us how little man yet knows, how much he has still to learn.

Do not lay things too much to heart. No one is ever really beaten unless he is discouraged.

Reading and writing, arithmetic and grammar do not constitute education, any more than a knife, fork and spoon constitute a dinner.

Many savage nations worship trees, and I really think my first feeling would be one of delight and interest rather than of surprise, if some day when I am alone in the woods one of the trees were to speak to me.

A day of worry is more exhausting than a week of work.

Endurance is a much better test of character than any single act of heroism, however noble.

Try to realize all the blessings you have, and you will find perhaps that they are more than you suppose.