Science is more than a body of knowledge. It is a way of thinking, a way of skeptically interrogating the Universe with a fine understanding of human fallibility.

Carl Sagan

What's the difference between an invisible, incorporeal, floating dragon who spits heatless fire and no dragon at all?

Carl Sagan

Extraordinary claims require extraordinary evidence.

Carl Sagan

Somewhere, something incredible is waiting to be known

Carl Sagan