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Carl Sagan Quotes

Carl Sagan quotes about past

American Scientist, Physicist November 9, 1934 – December 20, 1996

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I worry that, especially as the Millennium edges nearer, pseudoscience and superstition will seem year by year more tempting, the siren song of unreason more sonorous and attractive. Where have we heard it before? Whenever our ethnic or national prejudices are aroused, in times of scarcity, during challenges to national self-esteem or nerve, when we agonize about our diminished cosmic place and purpose, or when fanaticism is bubbling up around us - then, habits of thought familiar from ages... Carl Sagan
In exact parallel to regressing people so they supposedly retrieve forgotten memories of ‘past lives’, Frankel notes that therapists can as readily progress people under hypnosis so they can ‘remember’ their futures. This elicits the same emotive intensity as in regression or in Mack’s abductee hypnosis. ‘These people are not out to deceive the therapist. They deceive themselves,’ Frankel says. They cannot distinguish their confabulations from their experiences. Carl Sagan
The immense distances to the stars and the galaxies mean that we see everything ins pace int he past, some as they were before the Earth came to be. Telescopes are time machines. Carl Sagan
Arguments from authority carry little weight? authorities have made mistakes in the past. They will do so again in the future. Perhaps a better way to say it is that in science there ar no authorities; at most, there are experts. Carl Sagan
Carl Sagan quote: "You have to know the past to understand the present."
You have to know the past to understand the present. Carl Sagan

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