The brain is like a muscle. When it is in use we feel very good. Understanding is joyous. – Carl Sagan
If we like them, theyre freedom fighters . . . If we dont like them, theyre terrorists. In the unlikely case we cant make up our minds, theyre temporarily only guerrillas. – Carl Sagan
We have also arranged things so that almost no one understands science and technology. This is a prescription for disaster. We might get away with it for a while, but sooner or later this combustible mixture of ignorance and power is going to blow up in our faces. – Carl Sagan
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