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  • Carl Sagan Quotes   592
  • [N]o scientist likes to be criticized. ... But you don't reply to critics: "Wait a minute, wait a minute; this is a really good idea. I'm very fond of it. It's done you no harm. Please don't attack it." That's not the way it goes. The hard but just rule is that if the ideas don't work, you must throw them away. Don't waste any neurons on what doesn't work. Devote those neurons to new ideas that better explain the data. Valid criticism is doing you a favor.
    • 5 years ago



    Tags : Carl Sagan Quotes , Science Quotes , Data Quotes
  • 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 are no authorities; at most, there are experts.
    • 5 years ago



    Tags : Carl Sagan Quotes , Mistake Quotes , Past Quotes
  • Science is a way of thinking much more than it is a body of knowledge. Its goal is to find out how the world works, to seek what regularities there may be, to penetrate to the connections of things-from subatomic particles, which may be the constituents of all matter, to living organisms, the human social community, and thence to the cosmos as a whole.
    • 5 years ago



    Tags : Carl Sagan Quotes , Science Quotes , Thinking Quotes
  • At the heart of science is an essential balance between two seemingly contradictory attitudes-an openness to new ideas, no matter how bizarre or counterintuitive they may be, and the most ruthless skeptical scrutiny of all ideas, old and new. This is how deep truths are winnowed from deep nonsense.
    • 5 years ago



    Tags : Carl Sagan Quotes , Attitude Quotes , Heart Quotes
  • My long-time view about Christianity is that it represents an amalgam of two seemingly immiscible parts-the religion of Jesus and the religion of Paul. Thomas Jefferson attempted to excise the Pauline parts of the New Testament. There wasn't much left when he was done, but it was an inspiring document.
    • 5 years ago



    Tags : Carl Sagan Quotes , Jesus Quotes , Views Quotes
  • The idea that God is an oversized white male with a flowing beard, who sits in the sky and tallies the fall of every sparrow is ludicrous. But if by 'God,' one means the set of physical laws that govern the universe, then clearly there is such a God. This God is emotionally unsatisfying... it does not make much sense to pray to the law of gravity.
    • 5 years ago



    Tags : Carl Sagan Quotes , Atheist Quotes , Fall Quotes
  • Recent research shows that many children without enough to eat wind up with diminished capacity to understand and learn (“cognitive impairment” ). Children don't have to be starving for this to happen. Even mild undernourishment — the kind most common among poor people in America — can do it.
    • 5 years ago



    Tags : Carl Sagan Quotes , Children Quotes , Wind Quotes
  • Eratosthenes's only tools were sticks, eyes, feet, and brains; plus a zest for experiment. With those tools he correctly deduced the circumference of the Earth, to high precision, with an error of only a few percent. That's pretty good figuring for 2200 years ago.
    • 5 years ago



    Tags : Carl Sagan Quotes , Eye Quotes , Errors Quotes