In space, no one can hear you scream.
Klaatu barada nikto.
I want to believe.
Take me to your leader.
It's life, Captain, but not as we know it.
Mars ain't the kind of place to raise your kids. In fact, it's cold as hell.
Do you believe in life after death? How can you believe in it if you don't believe in life before death?
We have met the enemy and he is us.
E.T. phone home.
There is no fate but what we make.
The absence of evidence is not evidence of absence.
A good plan today is better than a perfect plan tomorrow.
We are not alone.
We come in peace - shoot to kill, shoot to kill!
I've seen things you people wouldn't believe.
The truth is out there.
I'm not bad, I'm just drawn that way.
We are star stuff which has taken its destiny into its own hands.
You're not an alien, are you? You're just some kind of big, fat, flying lizard!
I'm sorry, Dave. I'm afraid I can't do that.