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Exlpore more Logic quotes
"A thousand minus one is never a thousand."
"Where's your common sense? None of those books agree with each other. You've been locked up here for years with a regular damned Tower of Babel. Snap out of it! The people in those books never lived. Come on now!"
"Reason itself is fallible, and this fallibility must find a place in our logic."
"There is no logic in logics except an illogical logic."
"The logic of validation allows us to move between the two limits of dogmatism and skepticism."
"Rationality and common sense never goes out of fashion."
"Apriority creates ambiguities among ideas."
"If-Then" is a structured logic of humans' thought,who have memories and imagination in their mind. If both don't exist, Then this quote has never even been written."
Explore more quotes by Carl Sagan
"Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves."
"Lashley also reported no apparent change in the general behavior of a rat when significant fractions-say 10 percent-of its brain were removed. But no one asked the rat of its opinion."
"Significant change might require those who are now high in the hierarchy to move downward many steps. This seems to them undesirable and is resisted."
"The reappearance of the crescent moon after the new moon; the return of the Sun after a total eclipse, the rising of the Sun in the morning after its troublesome absence at night were noted by people around the world; these phenomena spoke to our ancestors of the possibility of surviving death. Up there in the skies was also a metaphor of immortality."
"The time scale for evolutionary or genetic change is very long. A characteristic period for the emergence of one advanced species from another is perhaps a hundred thousand years; and very often the difference in behavior between closely relatedspecies-say, lions and tigers-do not seem very great... But today we do not have ten million years to wait for the next advance. We live in a time when our world is changing at an unprecedented rate. While the changes are largely of our own making, they cannot be ignored. We must adjust and adapt andcontrol, or we perish."
"These days there seems to be nowhere left to explore, at least on the land area of the Earth. Victims of their very success, the explorers now pretty much stay home."
"The others would then fall silent and she would continue about doped gallium arsenide detectors, or the ethanol content of the galactic cloud W-3. The quantity of 200-proof alcohol in this single interstellar cloud was more than enough to maintain the present population of the Earth, if every adult were a dedicated alcoholic, for the age of the solar system. The tamada had appreciated the remark."
"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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