Interesting how things keep coming back to Carl Sagan's Cosmos recently -- I don't have the exact episode at hand, but he makes this point while standing in the

Interesting how things keep coming back to Carl Sagan's Cosmos recently -- I don't have the exact episode at hand, but he makes this point while standing in the New York Public Library. Pointing to a shelf of books, smaller than one might imagine, he says something along the lines of "The trick is knowing which books to read."