"It goes with a courageous intent to greet the universe as it really is, not to foist our emotional predispositions on it but to courageously accept what our explorations tell us."

"Do you believe in UFOs?’ I’m always struck by how the question is phrased, the suggestion that this is a matter of belief and not of evidence. I’m almost never asked, ‘How good is the evidence that UFOs are alien spaceships?"

"In science we may start with experimental results, data, observations, measurements, ‘facts’. We invent, if we can, a rich array of possible explanations and systematically confront each explanation with the facts."

"The desire to be connected with the cosmos reflects a profound reality, but we are connected; not in the trivial ways that astrology promises, but in the deepest ways."

"Every time you look up at the sky, every one of those points of light is a reminder that fusion power is extractable from hydrogen and other light elements, and it is an everyday reality throughout the Milky Way Galaxy."