Civilization is a movement and not a condition, a voyage and not a harbor.

The supreme accomplishment is to blur the line between work and play.

The human race's prospects of survival were considerably better when we were defenceless against tigers than they are today when we have become defenceless against ourselves.

History is a vision of God's creation on the move.

Sooner or later, man has always had to decide whether he worships his own power or the power of God.

To be able to fill leisure intelligently is the last product of civilization.