Carl Sagan Quotes About Challenges

We have collected for you the TOP of Carl Sagan's best quotes about Challenges! Here are collected all the quotes about Challenges starting from the birthday of the Astronomer – November 9, 1934! We hope you will be inspired to new achievements with our constantly updated collection of quotes. At the moment, this page contains 2 sayings of Carl Sagan about Challenges. We will be happy if you share our collection of quotes with your friends on social networks!
  • All of us cherish our beliefs. They are, to a degree, self-defining. When someone comes along who challenges our belief system as insufficiently well-based - or who, like Socrates, merely asks embarrassing questions that we haven't thought of, or demonstrates that we've swept key underlying assumptions under the rug - it becomes much more than a search for knowledge. It feels like a personal assault.

    Carl Sagan (2011). “The Demon-Haunted World: Science as a Candle in the Dark”, p.297, Ballantine Books
  • 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 past reach for the controls.

    Carl Sagan (2011). “Demon-Haunted World: Science as a Candle in the Dark”, p.50, Ballantine Books
  • Science is based on experiment, on a willingness to challenge old dogma, on an openness to see the universe as it really is. Accordingly, science sometimes requires courage - at the very least the courage to question the conventional wisdom.

    Carl Sagan (2011). “Broca's Brain: Reflections on the Romance of Science”, p.16, Ballantine Books
  • We are prodding, challenging, seeking contradictions or small, persistent residual errors, proposing alternative explanations, encouraging heresy. We give our highest rewards to those who convincingly disprove established beliefs.

    Carl Sagan (2011). “Demon-Haunted World: Science as a Candle in the Dark”, p.58, Ballantine Books
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