It is said that Mahatma Gandhi, when asked about Western civilization, remarked, ‘I think it would be a good idea.’ That’s how I feel about intelligent life on Earth, especially when I think about the question of what truly intelligent life might look like elsewhere in the universe. David Grinspoon Read Quote
Whenever I see a nighttime picture of Earth from space, with its glowing lights, I am stirred by its beauty. David Grinspoon Read Quote
Earth is a stunningly lovely planet for so many reasons. Among these is the wondrous presence of curious, artful, inventive humanity. David Grinspoon Read Quote
As long as we can imagine a better path, of course we are obligated to seek it. This is why unwarranted pessimism about our future is actually irresponsible. David Grinspoon Read Quote
Part of the point of SETI has always been a search for answers about our own cosmic potential and destiny. If ‘they’ are out there, it means that there may be hope for us. David Grinspoon Read Quote
Among the radio astronomers of SETI – the Search for Extraterrestrial Intelligence – it’s only sort-of a joke that the true hallmark of intelligent life is the creation of radio astronomy. David Grinspoon Read Quote
It’s one of the big mysteries about Venus: How did it get so different from Earth when it seems likely to have started so similarly? The question becomes richer when you consider astrobiology, the possibility that Venus and Earth were very similar during the time of the origin of life on Earth. David Grinspoon Read Quote
Earth’s biosphere gave birth to humans and our thoughts, which are now reshaping its planetary cycles. A planet with brains? Fancy that. David Grinspoon Read Quote
The reason you see so many volcanoes on Venus is partly due to the fact that there’s virtually no erosion there. So on Venus, you’re seeing features, some of which are hundreds of millions of years old on the surface. On Earth, we do not see any surface features nearly that old – you only see much more recent features. David Grinspoon Read Quote
Even as a kid enthralled with science fiction, I wondered about the role of people in the long-term evolution of the Earth, the far future and the fate of humanity. David Grinspoon Read Quote