Certainty generally is illusion, and repose is not the destiny of man.

The riders in a race do not stop when they reach the goal. There is a little finishing canter before coming to a standstill. There is time to hear the kind voices of friends and say to oneself, The work is done.

A great man represents a great ganglion in the nerves of society, or to vary the figure, a strategic point in the campaign of history, and part of his greatness consists in his being there.

But the moment you turn a corner you see another straight stretch ahead and there comes some further challenge to your ambition.

There is nothing like the dead cold hand of the past to take down our tumid egotism and lead us into the solemn flow of the life of our race.

No generalization is wholly true—not even this one.

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.