“At what point then is the approach of danger to be expected? I answer, if it ever reach us, it must spring up amongst us. It cannot come from abroad. If destruction be our lot, we must ourselves be its author and finisher. As a nation of freemen, we must live through all time, or die by suicide.” – Abraham Lincoln, ...
“The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.”
– Daniel J. Boorstin