"Education on the value of free speech and the other freedoms reserved by the Bill of Rights, about what happens when you don’t have them, and about how to exercise and protect them, should be an essential prerequisite for being an American citizen — or indeed a citizen of any nation, the more so to the degree that such rights remain unprotected. If we can’t think for ourselves, if we’re unwilling to question authority, then we’re just putty in the hands of those in power. But if the citizens are educated and form their own opinions, then those in power work for us. In every country, we should be teaching our children the scientific method and the reasons for a Bill of Rights. With it comes a certain decency, humility and community spirit. In the demon-haunted world that we inhabit by virtue of being human, this may be all that stands between us and the enveloping darkness."
Carl Sagan — Ch.21 Real Patriots Ask Questions, The Demon-Haunted World : Science as a Candle in the Dark (1995)
"You should have a good knowledge of history, of geopolitics, of sociology and anthropology to understand the society that we’re part of and to understand yourself and where you’re from in order to make choices. A lack of this knowledge will be much more limiting than any technical ability."