David Grinspoon Quotes

Enjoy the top 3 famous quotes, sayings and quotations by David Grinspoon.

David Grinspoon Quotes

As long as we are a single-planet species, we are vulnerable to extinction by a planetwide catastrophe, natural or self-induced. Once we become a multiplanet species, our chances to live long and prosper will take a huge leap skyward.
— David Grinspoon —

The planet Mars
crimson and bright, filling our telescopes with vague intimations of almost-familiar landforms
has long formed a celestial tabula rasa on which we have inscribed our planeto-logical theories, utopian fantasies, and fears of alien invasion or ecological ruin.

— David Grinspoon

As long as we are a single-planet species, we are vulnerable to extinction by a planetwide catastrophe, natural or self-induced. Once we become a multiplanet species, our chances to live long and prosper will take a huge leap skyward.

— David Grinspoon

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