Carl Sagan — "A book is made of paper, ink, and a little imagination."
A book is made of paper, ink, and a little imagination.
A book is made of paper, ink, and a little imagination.
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"The price we pay for the suppression of doubt is that we can never be sure of anything."
"The truth may be puzzling. It may take some effort to grasp. It may be counterintuitive. It may contradict deeply held prejudices. It may not be easy to do what the truth demands. But none of that mak…"
"If we are to survive, we must be willing to change."
"Our loyalties are to the species and to the planet. We speak for Earth."
"The greatest joy of science is discovery."
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