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All of the books in the world contain no more information than is broadcast as video in a single large American city in a single year. Not all bits have equal value.

Carl Sagan

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"A googolplex is precisely as far from infinity as is the number 1... no matter what number you have in mind, infinity is larger still."

Carl Sagan

"All inquires carry with them some element of risk. There is no guarantee that the universe will conform to our predispositions."

Carl Sagan

"If we continue to accumulate only power and not wisdom, we will surely destroy ourselves."

Carl Sagan