Carl Sagan Quotes: Science exacts a substantial entry fee in effort and tedium in exchange for its insights. ...

Science exacts a substantial entry fee in effort and tedium in exchange for its insights. (Carl Sagan)

Carl Sagan Quotes Pictures

Carl Sagan Quotes: Science exacts a substantial entry fee in effort and tedium in exchange for its insights.

Carl Sagan Quotes: Science exacts a substantial entry fee in effort and tedium in exchange for its insights.

Carl Sagan Quotes: Science exacts a substantial entry fee in effort and tedium in exchange for its insights.

Carl Sagan Quotes: Science exacts a substantial entry fee in effort and tedium in exchange for its insights.

Carl Sagan Quotes: Science exacts a substantial entry fee in effort and tedium in exchange for its insights.

Carl Sagan Quotes: Science exacts a substantial entry fee in effort and tedium in exchange for its insights.

Carl Sagan Quotes: Science exacts a substantial entry fee in effort and tedium in exchange for its insights.

Carl Sagan Quotes: Science exacts a substantial entry fee in effort and tedium in exchange for its insights.

Carl Sagan Quotes: Science exacts a substantial entry fee in effort and tedium in exchange for its insights.

Carl Sagan Quotes: Science exacts a substantial entry fee in effort and tedium in exchange for its insights.

Carl Sagan Quotes: Science exacts a substantial entry fee in effort and tedium in exchange for its insights.

Carl Sagan Quotes: Science exacts a substantial entry fee in effort and tedium in exchange for its insights.

Carl Sagan Quotes: Science exacts a substantial entry fee in effort and tedium in exchange for its insights.

Carl Sagan Quotes: Science exacts a substantial entry fee in effort and tedium in exchange for its insights.

Carl Sagan Quotes: Science exacts a substantial entry fee in effort and tedium in exchange for its insights.