"Humor is everywhere, in that there's irony in just about anything a human does."

"Winter lingered so long in the lap of Spring that it occasioned a great deal of talk."

"When we see the shadow on our images, are we seeing the time 11 minutes ago on Mars? Or are we seeing the time on Mars as observed from Earth now? It's like time travel problems in science fiction. When is now; when was then?"

"I've always loved airplanes and flight. The space program was really important to me as a kid. I still have a photo of Armstrong and Aldrin on the moon in my living room."

"The more you find out about the world, the more opportunities there are to laugh at it."