If we really wish to put an end to our ongoing international and social problems we must eventually declare Earth and all of its resources as the common heritage of all the world's people.

Our problems are technical, not political

We don't know how to live together on Earth, how the hell are we going to live together on Mars?

What kind of competition is there in your body? Suppose your brain said ' I'm the most important organ, and the liver said 'I am, and I want to go in a free enterprise-system.' You would rot away in a month, if every organ of your body, were out for itself.

If technology does not liberate all people for the pursuit of higher aspirations in human achievement, then all its technical potential will be meaningless.

We will never know what anyone is really like, until everyone has economic security and doesn't have to answer to anyone else.

THE GUYS IN THE OLD DAYS WHO BELIEVED THE EARTH WAS ROUND MUST HAVE HAD A VERY ROUGH TIME WITH ACADEMIA