"I didn't arrive by train."

"I'm an alien. Don't worry, I'm not going to leap out of your chest."

"What Einstein actually said was that nothing can accelerate to the speed of light because its mass would become infin…"

"You know, for an educated person Mark, you repeat things quite a bit. Are you aware of that?"

"Your produce alone has been worth the trip."

"Every being in the universe knows right from wrong, Mark."

"Let me tell you something, Mark. You humans, most of you, subscribe to this policy of an eye for an eye, a life for a…"

"Doctor. Patient. Interesting human distinction."

"For your information: All beings have the capacity to cure themselves, Mark. This is something we've known on K-PAX f…"

"I have arrived. My travels are over for the time being."