What a new face courage puts on everything. - Ralph Waldo Emerson To be seventy years young is sometimes far more cheerful and hopeful than to be forty years old.

No generalization is wholly true—not even this one.

To rest upon a formula is a slumber that, prolonged, means death.

The ideas of the classics, so far as living, are our commonplaces. It is the modern books that give us the latest and most profound conceptions. It seems to me rather a lazy makeshift to mumble over the familiar.

We should be eternally vigilant against attempts to check the expression of opinions that we loathe.

In my opinion, economists and sociologists are the people to whom we ought to turn more than we do for instruction in the grounds and foundations of all rational decisions.

Knowledge and timber shouldn't be much used till they are seasoned.