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"In addition, human beings have, in the most recent few tenths of a percent of our existence, invented not only extra-genetic but also extrasomatic knowledge: information stored outside our bodies, of which writing is the most notable example."
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"Every book has to wait for the right time to be read and understood."

"Devote yourself to reading of Scriptures."

"There is only a perspective seeing, only a perspective "knowing"; and the more affects we allow to speak about one thing, the more eyes, different eyes, we can use to observe one thing, the more complete will our "concept" of this thing, our "objectivity," be."

"Life is all about discovery."

"Knowledge is invariably a matter of degree: you cannot put your finger upon even the simplest datum and say this we know."
Explore more quotes by Carl Sagan

"We are all flawed and creatures of our times. Is it fair to judge us by the unknown standards of the future?"

"You squeeze the eyedropper, and a drop of pond water drips out onto the microscope stage. You look at the projected image. The drop is full of life - strange beings swimming, crawling, tumbling; high dramas of pursuit and escape, triumph and tragedy. This is a world populated by beings far more exotic than in any science fiction movie..."

"I am often amazed at how much more capability and enthusiasm for science there is among elementary school youngsters than among college students."

"There are no forbidden questions in science, no matters to sensitive or delicate to be probed, no sacred truths. That openness to new ideas, combined with the most rigorous, skeptical scrutiny of all ideas, sifts the wheat from the chaff. It makes no difference how smart, august, or beloved you are. You must prove your case in the face of determined, expert criticism. Diversity and debate are valued. Opinions are encouraged to contend"substantively and in depth."
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