“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 history of almost every civilization furnishes examples of geographical expansion coinciding with deterioration in quality.”

“Civilization is a movement and not a condition a voyage and not a harbor.”

“Civilization is a movement - not a condition a voyage - not a harbour.”

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

“We have been God-like in our planned breeding of our domestic plants and animals but rabbit-like in our unplanned breeding of ourselves.”