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
I am often amazed at how much more capability and enthusiasm for science there is among elementary school youngsters than among college students. – Carl Sagan
Imagination will often carry us to worlds that never were. But without it we go nowhere. – Carl Sagan
The brain is like a muscle. When it is in use we feel very good. Understanding is joyous. – Carl Sagan
The only protection as a historian is to institute a process of research and writing that minimizes the possibility of error. And that I have tried to do, aided by modern technology, which enables me, having long since moved beyond longhand, to use a computer for both organizing and taking notes. – Doris Kearns Goodwin