Perhaps we are wiser, less foolish and more far-seeing than we were two hundred years ago. But we are still imperfect in all these things, and since the turn of the century it has been remarked that neither wisdom nor virtue have increased as rapidly as the need for both.

Technology made large populations possible; large populations now make technology indispensable.

It is disastrous to own more of anything than you can possess, and it is one of the most fundamental laws of human nature that our power actually to possess is limited.

To be individually righteous is the first of all duties, come what may to ones self, to one's country, to society, and to civilization itself.

Those whose conscience demands that they defy authority in some ways that involve great consequences must be willing to accept some penalty.

Whenever man forgets that man is an animal, the result is always to make him less humane.

There is no conceivable human action which custom has not at one time justified and at another condemned.