Carl Sagan Quotes About Challenges

Quotes about: Challenges

• 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

  Challenges, Dogma, Sometimes

  Carl Sagan (2011). “Broca's Brain: Reflections on the Romance of Science”, p.16, Ballantine Books

• 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

  Love, Embarrassing Questions, Keys

  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

  Self Esteem, Past, Challenges

  Carl Sagan (2011). “Demon-Haunted World: Science as a Candle in the Dark”, p.50, 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

  Errors, Giving, Challenges

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

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