Discovering traces of life on Mars would be of tremendous scientific significance: The first time that any signs of extraterrestrial life had ever been detected. Many people would also find it heartening to learn that we're not entirely alone in this vast, cold cosmos.

We're really all alone. We can't ever get inside another person's spirit, and see the world they do. So we are alone in that sense. The only way we have to communicate feelings is through words.

When you start as an actor, you can only hope you'll be able to act at all - let alone on a show that lasts seven seasons.

Alone Quotes