“Another principle that I believe can be justified by scientific evidence so far is that nobody is going to emigrate from this planet not ever…It will be far cheaper, and entail no risk to human life, to explore space with… — Edward O. Wilson Copy Share Image
It is foolish to claim, as some do, that emigration into space offers a long-term escape from Earth's problems. Nowhere in our solar system offers an environment even as clement as the Antarctic or the top of Everest. — Martin Rees Copy Share Image
