Far better it is to dare mighty things, to win glorious triumphs, even though checkered by failure, than to rank with those poor spirits who neither … - Theodore Roosevelt

It is not the critic who counts; not the man who points out how the strong man stumbles, or where the doer of deeds could have done them better. The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood; who strives valiantly; who errs, who comes short again and again, because there is no effort without error and shortcoming; but who does actually strive to do the deeds; who knows great enthusiasms, the great devotions; who spends himself in a worthy cause; who at the best knows in the end the triumph of high achievement, and who at the worst, if he fails, at least fails while daring greatly, so that his place shall never be with those cold and timid souls who neither know victory nor defeat.” — Theodore Roosevelt

Power invariably means both responsibility and danger.

The true friend of property, the true conservative, is he who insists that property shall be the servant and not the master of the commonwealth; who insists that the creature of man's making shall be the servant and not the master of the man who made it. The citizens of the United States must effectively control the mighty commercial forces which they have themselves called into being.