The aliens went back to their dying home. Only a few were chosen to stay.
Read more Jake Sully QuotesFrom: Avatar (2009)
And that's how you scatter the roaches.
Moat : It is hard to fill a cup that is already full.Jake Sully : My cup is empty. Trust me. Just ask Dr. Augustine. I'm no scientist.Moat : Then what are you?Jake Sully : I was a marine. A warrior... of the uh... Jarhead Clan.
I need to get some samples.