Not all birds can fly. What separates the flyers from the walkers is the ability to take off.
CARL SAGANExtraordinary claims require extraordinary evidence.
More Carl Sagan Quotes
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The cure for a fallacious argument is a better argument, not the suppression of ideas.
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Be grateful everyday for the brief but magnificent opportunity that life provides.
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For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring.
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You are worth about 3 dollars worth in chemicals.
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I don’t want to believe. I want to know.
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Science is a way of thinking much more than it is a body of knowledge.
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If I finish a book a week, I will read only a few thousand books in my lifetime, about a tenth of a percent of the contents of the greatest libraries of our time. The trick is to know which books to read.
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All over the world there are enormous numbers of smart, even gifted, people who harbor a passion for science.
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Nothing disturbs me more than the glorification of stupidity.
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We all have a thirst for wonder. It’s a deeply human quality. Science and religion are both bound up with it.
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We are like butterflies who flutter for a day and think it is forever.
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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.
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If it can be destroyed by the truth, it deserves to be destroyed by the truth.
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We are all stardust.
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Writing is the greatest of human inventions, binding together people, citizens of distant epochs, who never knew one another.
CARL SAGAN