Carl Sagan

An astronomer, astrophysicist, author, and highly successful popularizer of astronomy, astrophysics, and other natural sciences.

If you'd like, you can read more about Carl Sagan.

1 quotation — all marked as Serious.


  1. 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.
    1.