Overnight Quotes (3 quotes)
If the same holds for intelligent aliens [as with our own invention of nuclear bombs], then they might not last long. Perhaps they all blow themselves up soon after they discover that E=mc². If civilizations take billions of years to evolve, only to vanish virtually overnight, then sadly we've next to no chance of hearing from them.
From Discovery TV series, Into the Universe With Stephen Hawking (2010). As quoted on nbcnews.com webpage, 'Hawking: Aliens may pose risks to Earth' (25 Apr 2010). He warned that rather than actively trying to communicate with extra-terrestrials, humans should do everything possible to avoid contact.
If we and the rest of the backboned animals were to disappear overnight, the rest of the world would get on pretty well. But if [the invertebrates] were to disappear, the world’s ecosystems would collapse. disappear, the land’s ecosystems would collapse. The soil would lose its fertility. Many of the plants would no longer be pollinated. Lots of animals, amphibians, reptiles, birds, mammals would have nothing to eat. And our fields and pastures would be covered with dung and carrion.
From BBC TV series Life in the Undergrowth (2005). As cited in Simon Barnes, History of the World in 100 Animals (2020), end of Chap. 72.
When Hitler arrived in 1933, the tradition of scholarship in Germany was destroyed, almost overnight. … Europe was no longer hospitable to the imagination—and not just the scientific imagination. A whole conception of culture was in retreat…. Silence fell, as after the trial of Galileo. The great men went out into a threatened world. Max Born. Erwin Schrödinger. Albert Einstein. Sigmund Freud. Thomas Mann. Bertolt Brecht. Arturo Toscanini. Bruno Walter. Marc Chagall. Enrico Fermi. Leo Szilard….
In Ch. 11, 'Knowledge or Certainty', The Ascent of Man, (1973), 367.
In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion.
(1987) -- 
