For small creatures such as we the vastness is bearable only... - Carl Sagan

"We are all star stuff."

"We've arranged a civilization in which most crucial elements profoundly depend on science and technology. We have also arranged things so that almost no one understands science and technology. This is a prescription for disaster."

"If it can be destroyed by the truth, it deserves to be destroyed by the truth."

"Science is a way of thinking much more than it is a body of knowledge."

"I consider it an extremely dangerous doctrine, because the more likely we are to assume that the solution comes from the outside, the less likely we are to solve our problems ourselves."