Perhaps the depth of love can be calibrated by the number of different selves that are actively involved in a given relationship. - Carl Sagan

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Perhaps the depth of love can be calibrated by the number of different selves that are actively involved in a given relationship.

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About Carl Sagan

Carl Edward Sagan (9 November 1934 – 20 December 1996) was an American astronomer, planetary scientist, cosmologist, astrophysicist, astrobiologist, author, and science communicator. His best known scientific contribution is research on extraterrestrial life, including experimental demonstration of the production of amino acids from basic chemicals by radiation. Sagan assembled the first physical messages sent into space, the Pioneer plaque and the Voyager Golden Record, universal messages that could potentially be understood by any extraterrestrial intelligence that might find them. Sagan argued the hypothesis, accepted since, that the high surface temperatures of Venus can be attributed to, and calculated using, the greenhouse effect. He testified to the US Congress in 1985 that the greenhouse effect will change the earth's climate system.

Biography information from Wikiquote

Also Known As

Native Name: Carl Edward Sagan
Alternative Names: Sagan Carl E. Sagan Carl E Sagan C. E. Sagan C.E. Sagan C E Sagan C. Sagan C Sagan Sagan C Sagan C. Sagan C. E. Sagan CE
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Additional quotes by Carl Sagan

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.

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Mas há outra razão. A ciência é mais do que um corpo de conhecimento, é um modo de pensar. Tenho um pressentimento sobre a América do Norte dos tempos de meus filhos ou de meus netos - quando os Estados Unidos serão uma economia de serviços e informações; quando quase todas as principais indústrias manufatureiras terão fugido para outros países; quando tremendos poderes tecnológicos estarão nas mãos de uns poucos, e nenhum representante do interesse público poderá sequer compreender de que se trata; quando as pessoas terão perdido a capacidade de estabelecer seus próprios compromissos ou questionar compreensivelmente os das autoridades; quando, agarrando os cristais e consultando nervosamente os horóscopos, com as nossas faculdades críticas em decadência, incapazes de distinguir entre o que nos dá prazer e o que é verdade, voltaremos a escorregar, quase sem notar, para a superstição e a escuridão.

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