"The ethic of of the land is not yet part of the national consciousness. People are coming to it only gradually. They …"

"The metaphor of ‘Spaceship Earth’ employed by a diverse array of scientists, economists and politicians during the 19…"

"Young people are always asking what it's like to be on a spaceship... Well, what does it feel like? Because that's wh…"

"It is a well-provisioned ship, this on which we sail through space. If the bread and beef above decks seem to grow sc…"

"Until recently, economists have not been particularly carried away with concern over environmental problems caused by…"

"Spaceship Earth not only illustrated but also created a fundamental shift in the conception of life and living space …"

"What is man? As Homo sapiens he experiences the ecological crisis with all the rest of Spaceship Earth: but as imago …"

"The lives of 3½ billion astronauts on board Spaceship Earth are just about as much in peril today as were the men abo…"

"The world is a raft sailing through space with, potentially, plenty of provisions for everybody; the idea that we mus…"

"We really are approaching the end of the era of expanding man. ...Man has always had somewhere to go... somewhere to …"