Science cuts two ways of course its products can be used for both good and evil. But theres no turning back from science. The early warnings about technological dangers also come from science.
Carl Sagan
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The nitrogen in our DNA the calcium in our teeth the iron in our blood the carbon in our apple pies were made in the interiors of collapsing stars. We are made of starstuff.
- Carl Sagan -
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I think the discomfort that some people feel in going to the monkey cages at the zoo is a warning sign.
- Carl Sagan